A defective
EGR valve
can cause a popping or knocking noise from the engine compartment. It is usually heard when the engine is warm (between 1600 and 1800 RPM).
Affected Model Years
This issue affects model years 1995, 1996, 1997, .
4 people reported this problem
1997162,000 Miles
my car can sit in the drive way and run for 30 mins but as soon as I shift gear it dies r if I let off the gas . I changed plugs ,valve cover and intake