Author Question: An EGR valve that is partially stuck open wouldmost likelycause what condition? (Read 115 times)

LCritchfi · **on:** Aug 13, 2021

Question 1

A vehicle with a linear EGR valve has a piece of carbon stuck in the valve, causing it to be partially open all the time. What symptom would this cause?
◦ High exhaust system pressure
◦ Stalling
◦ Both A and B
◦ Neither A nor B

Question 2

An EGR valve that is partially stuck open would most likely cause what condition?
◦ Rough idle
◦ Excessive NOx exhaust emissions
◦ Pinging
◦ Missing at highway speed