Contour L4-122 2.0L CNG DOHC VIN Z SFI (1996)
EGR Valve: Testing and Inspection
Inspect the Exhaust Gar Recirculation (EGR) valve for blockage or contamination. Clean EGR valve using EGR Valve Cleaner following manufacturer's
instructions. Inspect EGR valve for vacuum leakage and replace if necessary.
