car repairs


Question by  LFgood (25)

What is going on if my car is reeving up to 4 rpms?

My car is reeving at 4 rpms.


Answer by  Mark15 (94)

It's more than likely that your problem is the IAC (Idle Air Control) valve or TPS (Throttle Position Sensor). Either one can be easily diagnosed with a scan tool.


Answer by  jon40 (440)

If your car is automatically revving to 4000 rpm you could have an air leak or your throttle cable could be damaged and sticking.

You have 50 words left!