Cold fast idle too high (MIL works OK, no DTCs set)

Cold fast idle too high (MIL works OK, no DTCs set)

Diagnostic procedure

1- Do the PCM idle learn procedure- 2- Check the idle speed- Also check for

Intake air leaks

See also:
How to Connect the HDS
How to Connect the HDS 1- Turn the vehicle to the OFF (LOCK) mode- 2- Connect the HDS to the DLC (A) located under the driver's side of the dashboard- 3- Turn the vehicle to the ON mode, but...
Low power (MIL works OK, no DTCs set)
Low power (MIL works OK, no DTCs set) Diagnostic procedure 1- Check the fuel pressure- 2- Check the air cleaner element- Also check for Low compression Incorrect camshaft timing Incorrect...
CKP Pattern Clear/CKP Pattern Learn Procedure
CKP Pattern Clear/CKP Pattern Learn Procedure NOTE: Clearing the DTCs with the HDS does not require you to do this procedure- The PCM memorizes the learning status in its memory after an...