All of the following statements about the EGR valve are true, EXCEPT: A) the EGR valve creates a controlled vacuum leak between the intake and exhaust manifolds B) an EGR valve that is stuck closed will cause high NO_X emissions C) the vacuum to many vacuum actuated EGR valves is controlled by a solenoid D) an EGR valve that is stuck in the open position will cause detonation

Question

Quizplus · Accepted Answer

An EGR valve stuck open typically causes rough idling or stalling, not detonation. Detonation is more likely with a closed EGR valve due to increased combustion temperatures.

All of the Following Statements About the EGR Valve Are