What are some of the causes of rpms jumping up and down while the car is idling? And what is the most effective way to find a vacuum leak?

Asked by crystalshank84 Dec 12, 2015 at 11:04 AM about the 2000 Chevrolet Impala LS FWD

Question type: Maintenance & Repair

car also dies sometimes while idling or at
a stop  sign or red light

3 Answers

F_O_R answered 8 years ago

To find a vacuum leak look for cracked or loose hoses and get a can or carburetor cleaner. Spray it on suspected parts and listen for a change in engine idle speed.

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GuruTT176 answered 6 years ago

What cause the car impale. To move slower and jerky and u just put a use. Transmission. In 2007

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