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| What could be causing idle shaking on a 1990 Audi Coupe Quatro? |
24 Feb |
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Hey guys, I have a 1990 Audi Coupe Quattro and it’s been shaking at idle. I replaced the front left motor mount because it looked like it was the one that was vibrating, but after I finished the engine was still shaking. (The engine itself is actually shaking very slightly under the hood) What do you guys think it could be?
If it is a mount how do you find which one?
4 Responses to “What could be causing idle shaking on a 1990 Audi Coupe Quatro?”
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February 24th, 2010 at 3:20 am
try some lucas fuel injection cleaner,around 5 bucks 2 see if it clears up,but usally it will b a bad wire
February 24th, 2010 at 4:03 am
it sounds like a mount if the motor is running fine
February 24th, 2010 at 4:53 am
It may need a tuneup, but if this started suddenly it usually is a vacuum hose leaking.
February 24th, 2010 at 5:12 am
If it’s not a loose engine mount itself, it could very well be a valve. I have an Audi as well that had a shaky idle, service had replaced a faulty valve and the shakes were gone.