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1995 Chevrolet Camaro Z28 5.7L Smog Failure
Posted to GM Driveability on 12/14/2017 16 Replies

So this vehicle is failing smog for high NOX emissions. There is an EGR which I just replaced, it had a bad vacuum diaphragm. So at cruise speeds the EGR solenoid is shut off and only comes on for a second or so while accelerating. The customer has had the...

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car Vehicle Data

1995 Chevrolet Camaro Z28

VIN 2G1FP32PXS
Engine5.7 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / Port Fuel injection
EmissionsNot OBD-II Compliant
SymptomsSmog Failure
OccursAlways
Message Closed

car Vehicle Data

1995 Chevrolet Camaro Z28

VIN 2G1FP32PXS
Engine5.7 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / Port Fuel injection
EmissionsNot OBD-II Compliant
SymptomsSmog Failure
OccursAlways