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).
Average mileage: 162,000 (162,000–162,000)
Engine affected: 2.5L V6
4 people reported this problem
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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