Author Question: Which of the following could be a reason for poor cold engine performance? A) Insufficient fuel ... (Read 159 times)

abern · **on:** Jun 23, 2018

Which of the following could be a reason for poor cold engine performance?

A) Insufficient fuel volume B) Contaminated fuel
C) Low fuel pressure D) All of these are correct

Question 2

The following statements are all correct EXCEPT ________.

A) Fuel systems that have never been cleaned may have developed wax deposits as well as carbon
B) Relearning the PCM should never be attempted
C) On engines operating very poorly, the PCM should be relearned after fuel system cleaning
D) The fuel rail and pressure regulator should be cleaned as well as fuel injectors