Author Question: The following statements are all correct EXCEPT ________. A) Fuel systems that have never been ... (Read 92 times)

storky111 · **on:** Jun 22, 2018

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) The fuel rail and pressure regulator should be cleaned as well as fuel injectors
C) On engines operating very poorly, the PCM should be relearned after fuel system cleaning
D) Relearning the PCM should never be attempted

Question 2

The MIL is turned off if ________.

A) Power to the PCM is disconnected
B) The vehicle is driven on three consecutive trips with a warm up cycle and meets all code set conditions without the PCM detecting any faults
C) The codes are cleared with a scan tool
D) Any of the above