Engine Ticking And Rough Idle

car will idle for a few seconds and then go rough and shake lightly for a second or two, over and over. Can be heard on idle, can't hear it at higher. Was only occasionally getting the rough idle, but has become more regular the last two days. The ticking is constant at idle, but speeds up with acceleration. I looked at the engine when I parked the car, it's shaking really badly. Replacement is £31 and just the two screws hold it on. Used 3-4 rounds of fuel additives and replaced air filter and spark plugs myself; no improvement. Rough idle, loss of power, louder, CEL, exhaust/gas smell (rough idle, louder engine, exhaust gas/smell), and the check engine light is on. If you're experiencing engine noise, including engine knocking, tapping or clicking, or engine stalls, bring your car in and one of our Firestone Tire and Auto Service Professionals will determine what's going on under the hood. I have asked the dealer to look into, but they said it was "normal for that engine". 5k -5k RPM, now your really going to see what kind of crap is in your motor, smokes like a mother. What I have started to notice is a rough idle in park and a slightly less rough idle in Reverse and Drive. I have no clue where to start looking. Of course an engine noise sound may be a sign of more serious engine lubrication problems that could result in catastrophic engine failure so get this checked out. This is a good example of how basic engine diagnostic tests can work to pinpoint the root cause of the cars problem. When loose you will hear the chain which could be your ticking noise and when the guide/guides break then you will get a very rough idle and it will run like crap or sometimes not at all. Its whisper-quiet before an oil change, and then makes a loud tapping after a new filter and fresh oil. Some customers may have a concern of a "ticking" sound originating from the engine compartment at idle. To see how frequently Chevrolet Equinox problems occur, check out our car reliability stats. It lasts for a few seconds, then disappears to reappear a few seconds later. An air filter cleans the air entering the engine and prevents debris from entering the engine and causing damage. The lower it is the more frequent the ticking is. If the engine runs good at 3000-4000 rpm but stumbles elsewhere, the correct main jet is being used, and the problem lies somewhere else. The problem gets worse the longer the engine is running and the longer I stay parked with the engine running. 2: Revving the engine to about 1500-2000 RPM and letting off results in a near stall. Damage to the car's carburetor and vacuum hoses can cause the engine to misfire, resulting in a rough idle. If you're experiencing engine noise, including engine knocking, tapping or clicking, or engine stalls, bring your car in and one of our Firestone Tire and Auto Service Professionals will determine what's going on under the hood. This information may be used by NHTSA during the investigation process. Or maybe you hear a skipping sound when the engine is running. I put it into reverse and this is where it craps the bed. Knocking, ticking. No question, though, that it’s usually rougher than before the timing belt replacement. net Welcome to FordTruckClub. It is not an exhaust leak. This will cause the engine to "stumble" to a RPM that is within the idle specification. I was idling in Atlanta's snowy apocalypse and the check engine light came on again. I took the car in today and was just told that it is normal. I purchased the truck about a year and half ago. When loose you will hear the chain which could be your ticking noise and when the guide/guides break then you will get a very rough idle and it will run like crap or sometimes not at all. im also stuck in traffic half the time because i live near central london. Locate the fuel filter along the frame of the truck (driver's side). I've been driving it anyways because I have to. ticking noise on idle Hi, this is my first week of 318ti ownership, everything is great, 105k miles, full bmw service history its a 98 and is fantastic to drive. when they start going bad the spring goes soft and allows some slop between the pump and rod. in my excitement of buying a used car i think i may have overlooked this rough idle and now im at a loss of what it could be. Engine has ticking noise which gets louder as the engine warms up-(oil thins out). It almost sounds like a quite loud cricket continually chirping. Rough Idle, no check engine light. Nothing major, but kind of would like it to stop. Clogged up exhaust can often cause misfiring but usually not cylinder specific, and while it can be cause for rough idle it is usually more of an issue at higher rpm as too much back pressure builds up, sluggish performance. There was obviously an issue with the idle. 4 3V motor, Actual problems- Rough idle at stop light when in Drive only if I put it in neutral or parking it idles fine. A good injector will cause engine to stumble and run roughly when line is loosened. Hi I just recently bought a 2006 dodge charger with the 5. My 03 Liberty that all the sudden started making a loud ticking/tapping metallic noise from the passenger side of the engine and has a very rough idle to the point of shaking the whole car. Rough idle appeared with regularity a few weeks later. The hesitation is accompianed by a vibration. Or - are ticking because there is low oil pressure at idle due to a worn engine or partially clogged oil filter. Re: Ticking at idle - 1993 XL 4x4 So my oil pressure is good, after watching some YouTube videos of failing lifters, mine does sound identical. RE: ticking sound from engine IP: Logged Message: Other than the ticking sound are you experiencing any drivability issue? such as Poor gas milage? Loss of power? Rough idle? Are you sure the lifters really need replaced? I had several issues with my truck a few months ago. Got an S430 (not mine) with an engine tick at idle, sounds like it's on the left side (cylinder bank 5-8). Chrysler: Run the truck at 2000 rpm for two minutes, 3000 rpm for two minutes and then 3500 rpm for two minutes, until the engine reaches at least 140°F. As far as rough idle, I religiously use Sea Foam in all my vehicles, farm & lawn equipment, mainly because of this shitty ethanol fuel. 4L 3V with miss, rough idle and codes P0340, P0344, P0345, and P0349 Welcome to FordTruckClub. It has been at the dealership for 5 days, and they have yet to "duplicate" the problem. At startup, the idle is smooth, but occasionally, and seemingly randomly, while stopped the engine will start running rough and vibrating. 5 rpm than drops down a little and feels like its gonna stall than it picks back up but the car drives fine. The problem gets worse the longer the engine is running and the longer I stay parked with the engine running. Most of the time, though, the idle is noticeably rougher than before, but no clanking or ticking–just the noise of the vibration, which can be fairly loud if it’s idling for very long. Brake Light and Battery Light on in 2005 Nissian Altima, Nissan and Infiniti, 6 replies 2008 Nissan Altima - Instrument Panel Brake Light stays on, Nissan and Infiniti, 7 replies 1999 Nissan Altima-Battery light and Break light stays on. The oil is clean & changed at 47K. Turn on your car, and let it idle for a few seconds, then let it rip, open it up to about 4. It's behind the intake by brake fluid reservoir. If the valves need to be adjusted you will hear the ticking loud and clear from the valve cover. 0L with 70000 miles on it. Timing chains were stretched and guides were almost gone see my other video for further info. There is an interesting mod some have done, this mod basically changes the system to a dual spark, no tools needed. Also with the engine idleign and the hood open there is a soft ticking sounds from the back of the drivers side valve cover. It lopes up and down to the point where it will almost shut off, then the engine will correct itself and run normally for a bit. If you have piston slap, you may need to replace the entire bottom half of the engine to get rid of the sound, as pistons typically aren't the only worn component -- typically, cylinders are worn as well. Look for a high engine idle. Crank the engine while. 5k -5k RPM, now your really going to see what kind of crap is in your motor, smokes like a mother. I have asked the dealer to look into, but they said it was "normal for that engine". Your car engine is making unnatural noises and you don’t have the slightest idea what it could be. Pulled it into the garage and put it in park and it began the same rough idle with the ticking sound till it died again. Hey guys, Im having a rough idle on my 99 Grand-AM (2. Commonly used on hybrid-electric vehicles, stop-start systems are now being offered on some conventional vehicles in Canada. I'm assuming it's some sort of PCV system because that's what it reminds me of, but it's strange. Possible cylinder head or valve damage on the GM 2. Vacuum Leak. If I give it any gas, the knocking sound goes away. Your car engine is making unnatural noises and you don’t have the slightest idea what it could be. If the engine runs good at 3000-4000 rpm but stumbles elsewhere, the correct main jet is being used, and the problem lies somewhere else. I just bought a 2006 F150 with the 5. They maybe related as whatever emission device tripped the check engine light, may have been defective for so many start cycles before tripping the CEL and maybe the cause of the rough idle. Installing the wrong plugs in the engine affects the combustion conditions. Turns your engine off when it isn’t needed. org Forums. Engine has ticking noise which gets louder as the engine warms up-(oil thins out). The ticking is equal to the engine (idle) speed. When idling, the car sits around 800/850 and the needle wiggles a little bit. I now have a slightly rough Idle. IDLE AIR CONTROL VALVE (IAC) Definition: An electrically-operated valve which allows air to bypass the throttle plate in a fuel injected engine to regulate engine idle speed. Problems with idle speed—things like slow idle, fast idle, rough idle, or stalling after idling for a few seconds—are symptoms that something is wrong with your engine. Now, this is how they fixed it, the tech loosing both engine mounts and tranny mount a bit drove it around the block and then came back and re-torque to factory specs. The engine is burning a little bit of oil but not a crazy amount. If there is any vacuum at idle on a hot engine then the solenoid is broken. I heard something ticking. A: Rough idle can be a gray area, and sometimes the root of the problem isn't the engine itself, but the engine mounts supporting it. I'm assuming it's some sort of PCV system because that's what it reminds me of, but it's strange. RE: ticking sound from engine IP: Logged Message: Other than the ticking sound are you experiencing any drivability issue? such as Poor gas milage? Loss of power? Rough idle? Are you sure the lifters really need replaced? I had several issues with my truck a few months ago. Some customers may have a concern of a "ticking" sound originating from the engine compartment at idle. The idle tolerance is very narrow, so the engine is always trying to balance airflow, fueling, and timing to stay at a certain RPM. So here is the deal. The noise has become increasingly louder and now almost sounds like a diesel. I changed the spark plugs and its running a lot smoother. Engine has ticking noise which gets louder as the engine warms up-(oil thins out). Engine Will Not Start. For a while I've noticed a ticking, but assumed it was pulley related as it seemed to go away as I sped up. As high-pressure exhaust escapes from a crack in the manifold or a leak in the gasket it will sound like ticking or clicking especially at idle or low engine RPMs. It is more noticeable on the belt side. Shortly after I purchased it I began to notice a slight ticking/knocking sound coming from the engine. I come outside 20 minuets later and start the pathfinder. It only takes a minor problem like a fouled spark plug to cause your engine to vibrate. Rough idle, stabilitrak light on, flashing check engine, rough shifting, and a loud tick coming from the driver side top of engine. No question, though, that it’s usually rougher than before the timing belt replacement. I have no idea if the. Ever hear of an injector getting loud? thanks for any thoughts or ideas. For a few weeks it has started ticking, which lead to a rough idle along with many exciting lights and messages. Once the car warmed up the missing, rough idle, and poping at slow speed seemed to go away. Sometimes it's hardly noticeable, sometimes it's shaking enough to rattle things in cupholders or the seats. Other info; just finished the Auto-RX treatment, both CV joints are re-built, fresh coolant, PCV system serviced, new tranny fluid. Test the engine's performance through the range of 1000-4000 RPM, paying attention to steady throttle position through this range. I have asked the dealer to look into, but they said it was "normal for that engine". Re: Engine ticking sound when idle Post by mpangborn1 » Tue Jun 20, 2017 10:15 am Hi all, I have an 2014 V6S coupe, after a couple of years the ticking noise developed, it was indeed both of the fuel pumps which required replacing (along with the entire rear exhaust which had developed a death rattle), bit dissapointing to think that the. finally did it had a real rough idle and it sounded like a scraping metal noise coming from the engine. It's only noticeable when the truck is in idle. I got a 2003 Camry 4cyl with 100k miles and its been running a bit rough lately. Engine Idle upon cold start, smoot 20 seconds, rough 20 seconds then smooth. This is a good example of how basic engine diagnostic tests can work to pinpoint the root cause of the cars problem. If the valves need to be adjusted you will hear the ticking loud and clear from the valve cover. My Jeep has had this issue a few times on a COLD start, usually after sitting overnight. The car runs fine and pulls great. I have never felt a commodore shake this badly before, and my dad drove his Series 1 VN without an engine bearing for a few months. A possible fault causing the poor idle and poor light throttle performance is an air leak in the vacuum line between the inlet manifold and the EVAP evaporative emissions purge solenoid. Hi I just recently bought a 2006 dodge charger with the 5. Sparkplug one was (where the spark ignites) bent and squashed! I swapped with an old one and the engine still ran rough, sounding like misfiring. (goes away when you accelerate) Trying to figure out what it is found this video of a celica that sounds just like my car:. Also, I've noticed something in the engine pipes. There a sound in the engine that I didn't hear while test driving the car. took it for a high speed run last night (130+ mph). 7 Hemi's Ticking. To see how frequently Chevrolet Equinox problems occur, check out our car reliability stats. It could be that the mixture is a little on the rich side. My Profile My I took it to Porsche today and they told me it was " Engine Noise Traced to cracked Liner on Cylinders 5/6 Will require a strip to determine. For a few weeks it has started ticking, which lead to a rough idle along with many exciting lights and messages. so my xterra has been making a ticking at idle. For a few weeks it has started ticking, which lead to a rough idle along with many exciting lights and messages. Spark Plugs. my 2012 Tacoma has a ticking noise at idle and sound rough when it’s accelerating and when I did a system scan all that came up was P1604 and that was it. I heard that hemis have a ticking sound mostly a. I took it to several different places. i checked. rough idle, blinking check engine light, need help! rough idle and blinking check engine light as well as major power loss. Don't hesitate to visit Firestone Complete Auto Care at the first sign of engine problems. 5l has always had a bit of a rough idle, where the engine kinda sounds like its surging. It's behind the intake by brake fluid reservoir. 2004 - 2008 Ford F150 - Rough Idle/Misfiring - HELP! (2006 F150 5. RPMs are jumping between 400 and 1000 until the needle settles at 800 after 30-40sec (see video). I have no clue where to start looking. This page covers fuel-injected cars. Starting getting a rough idle with occasional stalling about a month ago. With the engine covers still fitted, the rubber hose is visible just behind the throttle body. Hi I just bought a 2007 dodge nitro sxt, I love it so far but its got a couple things that are bothering me. Someone suggesting a rocker arm. The clicking sound is noticeable while I'm driving at lower speeds also. I noticed my RS (3500 miles) started getting a rough idle, and it's especially bad when the AC is turned on. I have never felt a commodore shake this badly before, and my dad drove his Series 1 VN without an engine bearing for a few months. Accompanied with the running problem is a "knocking/ticking" noise that goes away when the engine suddenly smooths out. i know there are alot of post attributing it to this or that but somehow they dont seem to apply to me, so sorry if this is a common topic. Check gas and oil 2. 4 3V motor, Actual problems- Rough idle at stop light when in Drive only if I put it in neutral or parking it idles fine. By mike66, September 22, And the lifter ticking I could hear before was fixed as well. I changed the spark plugs and its running a lot smoother. Would a faulty gas cap cause rough idle check engine light on and ticking on acceleration? A faulty gas cap could cause the check engine light to come on but it would not cause a rough idle or. Thread / Thread Starter. I just turned 10,000 miles on my 2014 CTS with the 3. A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. The steering wheel no longer shakes but there is a ticking noise when the car idles. The Problem. also, especially when the engine is cold, i can hear a ticking noise from the engine. Can be heard on idle, can't hear it at higher. It was difficult to steer. Got an S430 (not mine) with an engine tick at idle, sounds like it's on the left side (cylinder bank 5-8). Download Engine Start sounds 15,174 stock sound clips starting at $2. No issues at all now suddenly just driving threw town it started to shake a little then when stopped the whole truck was shaking abit like a rough idle, limped it back to the workshop. On the bright side though, the car shifts very smoothly and the low speed turning shutter is gone, or at least for now. You'll need to find the engine oil dipstick and see if you need to add oil or if the oil level is up to the full line. Change the oil (and filter!) immediately, and then again within 1000 miles. Your car engine is making unnatural noises and you don’t have the slightest idea what it could be. So I've had the engine gurgling/rough idle thing for a few weeks now. Idle seems worse when engine is cold. 4 Common Reasons Why Your Engine May Be Idling Rough 1. my engine builder. Idling and driveability problems can be caused by a variety of issues. Fired it up, took it to 2000-2500rpm for 25min for the break-in, had a couple misses off the hop but otherwise completed the break-in no issue and ran fine up in those RPM's, until let off throttle to idle. was the engine ticking noise and a rough low idle (reported in a separate. Car has a rough idle. From my research it seems that it could be the Ignition coil, Idle sensor of Mass Air Flow Sensor. Hey all I just started to notice this loud ticking noise coming from the top middle of my engine bay above engine block. The ticking 'coming from the top of the engine' is usually the injectors in newer vehicles. The car seems to run fine, the idle is not rough, the acceleration is spot on, gas mileage seems great. I appreciate you taking the time to read this, and look forward to any help you can offer me. Since a couple of years my GP 1. If the engine runs good at 3000-4000 rpm but stumbles elsewhere, the correct main jet is being used, and the problem lies somewhere else. I finally got around to checking out my engine bay and. Engines should run smooth and evenly when at idle, never fluctuating in rpm or dying. I changed the spark plugs and its running a lot smoother. After some research, it seemed that I was just not used to the horizontally opposed Subaru boxer engines, though when reading other posts on the issue my car's wobble seemed more severe. This is the first BMW we have owned, and my wife and I really enjoy driving it. So here is the deal. This information may be used by NHTSA during the investigation process. Your engine will last relatively longer or shorter depending on how well you abide by the suggestions in the O&M manual. The ticking is equal to the engine (idle) speed. i am new and im sorry if i am doing this the wrong way. The ticking noise it coming under the engine, near the oil pan, this noise just started happening. When I get to work i shut the car off and go inside the office. 8 sri Loud ticking sound on idle on engine - Problem from Auto Insider Problems and Fixes. My car ticks too, and from what I know, it's pretty common with wrx's, some tick louder when cold The bov might be the idle problem, the exhaust might be. Engine light on. 2004 - 2008 F150 - Cautionary tale, rough idle, knocking, tick, low oil pressure - We have a 2004 late model f150 and just went through the shake at low idle, knocking and pP0340, P0344, P0345, and P0349 codes, ours also had the 22 code which i Think is low oil preasure and it seemed like the transmission was about to. An occasional ticking or rattling noise from the camshaft hydraulic valve lifters (HVA) may occur during cold engine starts, due to frequent short-distance driving, or the noise may occur for an extended period of time even though the engine is at operating temperature. Dirty Fuel Injector Modern vehicles are fitted with fuel injection systems, which inject fuel into the cylinders to create a mix of air and fuel to burn. I heard something ticking. Other info; just finished the Auto-RX treatment, both CV joints are re-built, fresh coolant, PCV system serviced, new tranny fluid. Tapping noise is noticable when at stop light, when engine is turned on and when im parking. Matches RMP--higher RPM faster ticking noise, oil level is good. When you autopsy the engine you will find that the bearings are darkened and with time the bearing surface becomes rough. The 2015 Chrysler 200 has 1 problems reported for ticking noise at idle. I had it parked for about an hour then went to start it back up to come home and there was a distinct ticking noise coming from the top of the engine and the car was. The "loud" ticking got really bad a loud at speed, even at idle. Change the oil (and filter!) immediately, and then again within 1000 miles. Today I went to autozone and they did a scan which came up with a P0301(only code, supposedly a cyl-1 misfire). Another culprit is a bad Throttle Position Sensor (it is located right next to the IAC in the throttle body). My engine has developed a strange ticking sound. And there's a ticking sound that my car makes when it warms up in the morning. It is more noticeable on the belt side. (goes away when you accelerate) Trying to figure out what it is found this video of a celica that sounds just like my car:. For some background, I had a bad fuel level sender and the code for it of course, but a couple weeks ago i replaced the entire fuel pump assy. When I am at an idle, I am experiencing an intermittent rough idle/shaking issue. I took the car in today and was just told that it is normal. Of course an engine noise sound may be a sign of more serious engine lubrication problems that could result in catastrophic engine failure so get this checked out. Rough idle problems are usually caused by a minor vacuum leak or a faulty. I was idling at the stop light and all of a sudden i loss power and came to a really rough idle and eventually died. No question, though, that it’s usually rougher than before the timing belt replacement. That trick was taught to me by my neighbor who races grown men go-carts. 2006 Vauxhall Vectra 1. Please help. Another culprit is a bad Throttle Position Sensor (it is located right next to the IAC in the throttle body). The ticking is constant at idle, but speeds up with acceleration. You'll need to find the engine oil dipstick and see if you need to add oil or if the oil level is up to the full line. I have no idea if the. RPMs are jumping between 400 and 1000 until the needle settles at 800 after 30-40sec (see video). 0L Gasoline Turbocharged Direct Injected (GTDI) engine may exhibit a poor idle quality concern that may also be described as an idle RPM dip or idle RPM too low. Engine knocking sound at idle. Running Problems. i didnt run it long nor did i rev up. My engine has developed a strange ticking sound. A: Rough idle can be a gray area, and sometimes the root of the problem isn't the engine itself, but the engine mounts supporting it. A list of some possible causes and solutions for rough or erratic idle. To see how frequently Chevrolet Equinox problems occur, check out our car reliability stats. 4L 3-valve engine may exhibit a ticking and/or knocking noise after reaching normal operating temperature. I noticed my RS (3500 miles) started getting a rough idle, and it's especially bad when the AC is turned on. Here are the top signs your car needs an oil change: The car makes a ticking noise when started. 5l has always had a bit of a rough idle, where the engine kinda sounds like its surging. I come outside 20 minuets later and start the pathfinder. The check engine light came on, and it had a very rough idle. Checking your vehicle's fluid levels is always a good idea to maintain the overall longevity of the engine. No wires were replaced, yet. I would change the oil and filter (using an AC Delco filter) - then evaluate the engine ticking noise at idle. Thread Does it have a rough idle? or just the clicking noise? I dunno what engine is in that car or what kind of valvetrain. So basically I had a rough idle tonight, I have groan sounds and engine ticking. 5 degrees; Low fuel economy and/or fuel leakage. 3 Premium 6MT (66K miles) was having a somewhat rough idle for about a year, down at about 600-700rpm when sitting at a stoplight or in stop-and-go traffic. hey guys, I had to add some more shims to my lifters as their was some ticking higher up in the rev range, I just got it done and when I started the car it had trouble starting, it idled very rough, their was a VERY LOUD ticking/knocking noise which scared the crap out of me so I turned off the engine. Consequently, Dirt contamination on a sludged engine is the number one cause of true lifter noises, low oil pressure is number two. What do you think it is? This happens in park neutral and in gear. This will result in a rough idle, usually at a higher RPM. Just a noisy engine. The 2015 Chrysler 200 has 1 problems reported for ticking noise at idle. For the past few weeks I have noticed a ticking noise coming from the engine bay at random times. Move your phone's microphone all the way from the front of the engine (pulleys) to the back (clutch) and see where the sound is the loudest. I know this has been posted time after time, but I'm feeling frustrated that my brand new 2018 Ram is ticking. At an idle it shakes and sound rough but when the ac is on it doesn't shake as bad, the engine sounds like it is ticking quite loudly, and when shifting from 3rd to 4th gearthe motor revs up a little bit then shifts. Well it wasn't an overnight development, it took a couple of weeks and it's not getting worse, but it sounds awful. Replied by hemified05 on topic Hemi Ram Sputtering Fluttering Rough Idle I did a few plugs(not all) with the balance test and could not notice rpm drops. The ticking noise it coming under the engine, near the oil pan, this noise just started happening. This page covers fuel-injected cars. 99 s-10, 4. When I am at an idle, I am experiencing an intermittent rough idle/shaking issue. Why Am I Getting Knocking Sound In Engine When In Idle? - Answered by a verified GMC Mechanic. Recently I began to notice a different sound at certain times. If too much air gets mixed in with the fuel, it will cause your engine to misfire. Look for a high engine idle. When I start my pathy in the morning and drive to work everything is ok. I drove on the motorway the other day and afterwards the engine was making the ticking noise i noticed if i rev the engine like go 4-5k rpm on 2nd gear and then stop at the lights the engine because noisey and the ticking noise gets louder. In some cases the noise may be a normal characteristic of these engines. Rough running, stalling and erratic idle cured by throttle body cleaning Our Vauxhall Meriva was beginning to run a little roughly and occasionally stalling when ticking over. You can usually hear a ticking noise if there is excessive play in these components. Now, this is how they fixed it, the tech loosing both engine mounts and tranny mount a bit drove it around the block and then came back and re-torque to factory specs. (goes away when you accelerate) Trying to figure out what it is found this video of a celica that sounds just like my car:. found the cause of my rough idle It's not as scary as opening up your engine. For awhile now my 08 jku has been idling rough, I have some spark plugs on the way thinking that might help, even if they don't it has 86k miles with Ticking sound followed by rough idle. 2002 Rough Idle and Engine lags around 4-5K rpms My car idles very rough (backfires and it seems like its going to die) in the morning (sounds worst than my old. You can hear it liek really far away and i hear other accords and they are silent as fuk. The car runs fine and pulls great. Best Answer: Besides people running aftermarket water/methanol injection, 1. Its whisper-quiet before an oil change, and then makes a loud tapping after a new filter and fresh oil. Today I went to autozone and they did a scan which came up with a P0301(only code, supposedly a cyl-1 misfire). when I give it gas the engine runs smooth, doesn't shake. i thought this engine would idle a lot smoother. Very rough idle and vibration after motor swap It shakes the whole car and also hearing poping out the exhaust. A couple of times it has even stalled out. 3 engine is known for: bad idle air control valves and throttle control switches. not mechanical at all so i dont even know where to start lol. Replaced the head gasket and it started making the noise. My car is making loud knocking noises at idle. sounds like its coming from the right side of engine. The noise disappears and the engine runs much smoother when you get it up to about 800 rpm. IAC as mentioned above also, will cause rough idle and fluctuating rpm's when in park. 8T throttle bodies rarely need to be replaced. What I have started to notice is a rough idle in park and a slightly less rough idle in Reverse and Drive. I did an oil change and put in new spark plugs. Some customers may have a concern of a "ticking" sound originating from the engine compartment at idle. If you have piston slap, you may need to replace the entire bottom half of the engine to get rid of the sound, as pistons typically aren't the only worn component -- typically, cylinders are worn as well. Look for a high engine idle. This ticking sound will increase and decrease with the speed of the engine. He said he heard. If there is any vacuum at idle on a hot engine then the solenoid is broken. after about 30 seconds of trying, i was able to start the engine again but still experienced a very rough idle and the check engine light had turned on. Ever hear of an injector getting loud? thanks for any thoughts or ideas. Bought a used 2010 Silverado crew cab with 5. 2? i test drove one and was kicking it around but just havent heard much about them yet. Knocking, ticking. RE: ticking sound from engine IP: Logged Message: Other than the ticking sound are you experiencing any drivability issue? such as Poor gas milage? Loss of power? Rough idle? Are you sure the lifters really need replaced? I had several issues with my truck a few months ago. For awhile now my 08 jku has been idling rough, I have some spark plugs on the way thinking that might help, even if they don't it has 86k miles with Ticking sound followed by rough idle. Click Here for Instructions on: "HOW TO IDLE-RELEARN Start the engine and run it as close to idle speed as possible until it reaches its normal operating. When I attempt to accelerate, and the car starts revving, the sounds also become faster. i cant find any vacuum leaks, i have changed the maf sensor and it still idle rough. After some research, it seemed that I was just not used to the horizontally opposed Subaru boxer engines, though when reading other posts on the issue my car's wobble seemed more severe. 00 and had already made $ 300.