My idle doesn't return when I let foot off the accelerator, but if I shift to neutral the RPMs drop to normal.
Jun 14, 2022 at 3:53 AM
My idle doesn't return when I let foot off the accelerator
2002 DODGE INTREPID
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I have seen both the idle air control valve go out or get slow not adjusting the engine idle speed correctly. Also check the vacuum hose going to the PCV valve because they can tear and allow a vacuum leak. Here are two guides to help you with diagrams below to the PCV valve and IAC valve on your car:
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
and
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
You should service the throttle actuator as well.
https://www.2carpros.com/articles/throttle-actuator-service
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
and
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
You should service the throttle actuator as well.
https://www.2carpros.com/articles/throttle-actuator-service
Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
Images (Click to enlarge)
Jun 14, 2022 at 5:18 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.