Multiple Choice
The following statements are all correct EXCEPT ________.
A) the fuel rail and pressure regulator should be cleaned as well as fuel injectors
B) on engines operating very poorly, the PCM should be relearned after fuel system cleaning
C) fuel systems that have never been cleaned may have developed wax deposits as well as carbon
D) relearning the PCM should never be attempted
Correct Answer:

Verified
Correct Answer:
Verified
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