Multiple Choice
The following statements are all correct EXCEPT ________.
A) some systems monitor EGR operation by using a pressure feedback EGR sensor
B) a potentiometer is used to determine EGR valve position on many OBD-II systems
C) low restriction exhaust systems will have no effect on EGR system operation
D) the PCM controls vacuum applied to vacuum operated EGR valves
Correct Answer:
Verified
Correct Answer:
Verified
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