Sometimes when I start the car, something causes a heavy vibratiion under the hood for about 10 seconds and then settles down. The car then runs with no problems once the car is in drive other than idling fast at stop signs, etc. When I park the car, it vibrates lightly for about 2 minutes.
On 2 occasions, the car would not start after vibrating when I started the car. My repair shop recommends an IAC valve or pulling off the engine top and draining out fuel that is being dumped when I start the car.
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Saturday, October 20th, 2007 AT 6:22 AM