All of the following statements are correct EXCEPT ________.
A) linear EGR systems require exhaust backpressure
B) many vehicles use the MAP sensor to monitor EGR operation
C) some systems use a delta pressure feedback system to monitor EGR operation by measuring exhaust system pressure
D) OBD-II vehicles require monitoring of the EGR system

Question

Quizplus · Accepted Answer

Linear EGR systems do not require exhaust backpressure as they control the amount of EGR flow based on the position of the EGR valve. The other statements are all correct.

All of the Following Statements Are Correct EXCEPT ________