Touareg :: Cold Morning Vibration / Rough Idle
Sep 2, 2004
Since my V6s very rough ride only occurred on cold mornings (fixed with a new driveshaft early this year), I wonder if some of the newer owners will be complaining of this problem soon, now that we're embarking on fall.
The symptom was strange. On cold mornings, between 30 and 50, the Touareg would feel as though it was riding on extremely rough pavement.... over 50 it was fine, and then, after about ten minutes of driving, it went away at all speeds.
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My 2011 Camry is giving very weird sound with vibration on every morning or whenever the engine is cold. I checked with 2 Toyota car dealers, they are saying, could not replicate this issue and car is normal. This is certified car bought 4 months before.
Camry vibrates only when it is Drive/Reverse gear. car is smooth when Neutral and parking.
When engine cold RPM stands in 1000+ (Vibrating)
When engine become normal RPM stays 600-700 (No vibration).
I just bought this car, selling this car now will be big loss.....
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2008 VR6 Touareg with 71,000 miles. When he starts it cold the idle jumps around and is very rough. After 30 seconds or so it calms down, but you can tell it's still just not right. It also makes this puffing sound especially around the exhaust. At least puffing is how I'd describe it, maybe I can take a video of it at some point. No visible issues anywhere in the engine bay or anything that looks out of place. I ran an auto scan with VAG-COM and I pulled absolutely no faults. I found that puzzling.
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I'm experiencing vibration somewhere under the hood during start. I recently replaced the serp. belt and think it could be over-tensioned.
Possible?
Dangerous?
Or just the new belt needs to stretch?
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I have a Hyundai-Accent 1.5 GL, Auto, year 2000 car. I bought this 4 months ago and ever since it has been giving the check engine signal. However, running conditions of the car has been normal and therefore, I didn't worry about the check engine signal. Now, the engine is rough idling for few seconds when I start the car in the morning, and then it comes back to normal.
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I asked the service mgr. to bump up the idle ever so slightly. He was limited to a very minor bump otherwise it would read as a fault. It worked - no idle vibration (so far).
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I just bought a 92 Toyota Celica for something to play around with. It's got just over 200,000 miles and everything seems to run alright except there is a really rough vibration at idle. The vibration is so bad that it's almost visible. You can still feel the vibration in drive but it isn't nearly as bad.
Any clue at what could be causing the vibration? I'll try to get a sound clip or video uploaded ....
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I have a 2006 azera limited with about 63k miles on it and I noticed in the owners manual that at 60k I should have the valve clearance checked and adjusted if theres vibration or rough idle. I currently have a rough idle and more vibration from the engine.
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I have 2008 f150 with 5.4 and 54000 miles. It has a bad vibration or rough idle only when AC is on. When AC is off it runs very smooth. Runs great while driving with AC on. Tensioner pulley was moving a lot more than normal when engine started vibrating so i replaced it and the belt but it didn't work. I also checked the other pulleys and they are good.
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Basically when the car is in D and when i am stopped with the brakes pressed on at a stop sign or a red light, the car starts vibrating and i can see the the rpm going down and then receiving back up and going down again something when the car is in R. its a 2009 toyota corolla le 90k miles. when the headlights are on, the rpm stays high so the car does not vibrate or anything. other than this the car runs perfectly fine.
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I've made posts about a rough idle before now I noticed something new about it. I noticed when I approach a red light the vibrations don't start immediately. They start as soon as the RPMS would drop a little. They stay above 500 but it seems like it's below 750. As if the engine is slightly starved from power? Now i'm wondering if it could be related to another problem I have.
Whenever I start the car, the battery light flickers until the car is started all the way. This is on a 2007 Camry 4 cylinder. So far everything iv'e done is: New NGK Spark Plugs, NEW OEM mounts (all 4) Seafoamed the engine, Seafoamed the throttle body, cleaned the MAF sensor, New air filter, and cleaned the air filter box, replaced the PCV Vlave, new belt, new alternator (duralast), and a new battery (from autozone).
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My 2007 with 73k has started to idle rough at traffic lights. Not horrible, but a noticeable vibration. Rpm's are around 500. If I put it in neutral, rmps go up to about 800 and idle gets better. What could cause a rough idle like this?
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Bought the truck knowing it needed a little work because it sounded like a diesel when running. So I had the timing chain, tensioners, water pump, etc. replaced and that fixed that problem. Then, a couple days later, a spark plug blew out of the engine. So, I go to do a full tune-up to find out that 3 of the 8 cylinders already had heli-coils in them.
I pulled those three and bored out and re-tapped the cylinders using the Cal-Van inserts. This has worked beautifully so far. I also replaced all of the other plugs as well with double platinum plugs. I also replaced all COPs. This got the truck running again and it drives great. No loss of power whatsoever. It just runs like a dog at idle. As soon as I give it throttle it smooths out completely.
It seems like the problem gets worse as the engine starts to get up to normal operating temp. Basically, if I am idling, in gear or in park, the truck shakes pretty bad. It kind of feels like it's starved for fuel or barely missing. I do not have any codes though and if it is a miss, it is completely gone under throttle.
Other things I have replaced within the past couple of weeks:
EGR
EGR vacuum solenoid
DPFE
Both PCV elbows
PCV valve
Air filter
Harmonic balancer
Other things I have done:
Cleaned IAC
Cleaned throttle body butterfly (including EGR ports)
Checked TPS voltage
I'm sure there are other things that I am forgetting.
The idle seems low to me but I'm not sure what is considered standard for the 5.4l. Mine idles around 600 in park once engine is warm and the needle doesn't move despite the roughness felt. Just going by the tach, you would think that the idle was smooth as silk.
Truck info:
2000 Ford F-150 XLT
5.4L V8 2V
150k miles
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My 1.8t is very rough at idle when cold, smooths out when over 1000 rpm and when at normal operating temperature. Code reader says 171 and misfires.
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Took the wifes Treg in today for:
1. Crazy vibration at idle (feels like a V8 running an aggressive cam!
2. Running Gear Fault light on at random
3. Loud "ting" noise under WOT (sounds like a soda can in a bicycle wheel.
4. Onstar - Service not recognizing spoken numbers when trying to dial
5. Air Compressor - works for 5-10 seconds then shuts off, have to restart vehicle to get another 5-10 seconds of air
I had the service manager take a ride and identify all the complaints (other than the compressor and the Running Gear Fault)..he said he will stay on top of it. If you recall, last time I took it in for the vibration at idle, I was told that since no fault codes were present, their is no problem. When sitting at a light your head is literally bobbing up and down, everything loose in the car is shaking...just horrible.
They should have it for a while. I got a Treg V6 as a loaner and actually like it better than the V8 (my wife disagrees). Power is onpar with a vehicle of this size/weight. Felt great, but handed the keys to the wife and grabbed mine and RAN!!!!
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After all my attempts, I could not fix the rough idle. I have done the gaskets of the gaskets and bolts of the intake manifold (the engine light disappeared), I have changed the bushings of the manifold too (the one one the left side), I have changes the TPS sensor, I have cleaned the MAF sensor...
The rough idle is still there (and getting worse) and there is some smell of gasoline now. I suspect that I have to change sparks and cables, but I wanted to confirm first with you because the whole thing seems complicated as some of the plugs are buried very "conveniently". You could usually feel an ascending vibration while waiting at the traffic light. You can't feel it as much when in neutral, but it is still there.
I have noticed that on the right side of the Intake manifold (under the throttle) there is some sort of greasy substance that always looks wet. I suspect that it is burnt oil, but that think's been there since I bought the car, so I am not sure if it is related in any way.
I haven't changed the oil and air filter since last summer but I doubt that would be an issue. Additionally I realized that I put pure antifreeze when I need to use 50/50. Anyways, those things I will fix this summer anyways. All I want to fix now is the rough idle because these vibrations drive me nuts.
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Rough idle whenever you are not in motion. It is very obvious, and a little frustrating as my previous 5 cars never had this issue. I love the car, but the vibration is driving me a little crazy. When the car is in park, and you lean on the outside of the car it is also vibrating heavily. I hate to have them start taking things apart when there is less then a 1000 miles on the clock.
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I have a 00 Accent with 132k miles, I replaced the motor a year ago with a correct 2000 Hyundai 1.5 with 50k miles. I replaced everything that I could at the time, timing belt , starter, water pump, and clutch. It has been running fantastic getting 40 miles per gallon with zero problems , However in the last week I have noticed a rough idle that seems to miss with a vibration that it didn't have before. I have a noticeable loss of power and torque. My miles per gallon has also dropped to about 25 mpg. My check engine light is not on. I will check the plugs and change the air filter today but I would like to know what else could be causing the problem as I am not really sure what to check.
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I've got an "on- and off-going" problem with my '92 S10 Blazer.
Car specs:
Year 1992
Blazer S10 4.3 Tbi
4- doors 4WD
Mileage 200k miles
Symptoms:
As cold, every now and then it will start right up, but the idle is wery rough, and seems like its running on less than 6 cylinders. When giving gas, it revs up, but runs roughly and still seems to be running on less than 6. Won't stall though.
When engine warms up after a couple of minutes, the idle gets smooth and no issues what ever when driving.
So just to be clear, this issue is so far only happening when staring cold.
Parts (new off course) changed recently (less than 500miles on them):
Distributor
Spark plugs + wires
Alternator
Battery
IAC valve
Fuel filter
This symptom came up now and then before changing any parts. I am quite handy with cars (pure amateur though), but can't really afford solving the proble by changing loads of parts with no effect..
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If my car's been sitting - say monday morning after sitting all weekend in the garage- it runs rough for a little while. Sometimes only for a few seconds, sometimes for a little while after the idle drops. The colder the car is, the longer and worse the condition. It feels like a cylinder isn't firing.
After a particularly cold and wet spell (I had the car outside) it ran so badly it threw a code for one of the cam position sensors and #4 misfire. I replaced both of the sensors. That worked a little.
Since I was due for 80k service and saw a misfire when damp, I replaced the ignition coils along with the spark plugs. That worked a little more. But, it still does it. What else could it be if not ignition? Sticky valve? something else?
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I have a 2007 SF 2.7L V6 with 55000km.
Recently we have noticed that from a cold start the engine idles roughly few a short time and especially bad if put into gear only moments after starting.
Do we need to let it warm up for longer?
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