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1997 Chevrolet Express 2500 4.3L MIL Lamp on, Backfires
Posted to GM Driveability on 10/19/2001 6 Replies

Van has a code PO340 in comupter. We have replaced the cam sensor and the code is still there. Found corrosion on the plug on the computer where the cam sensor wire goes to. Cleaned up terminals and the same code is still there. Tested cam signal wire, has a s...

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  Related Documents & Media  1997 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Express 2500

VIN 1GCFG25WXV
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Backfires
OccursNot Applicable

Trouble Codes

P0340Camshaft Position Sensor 'A' (TDC) Circuit Intermittent
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet Express 2500

VIN 1GCFG25WXV
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Backfires
OccursNot Applicable

Trouble Codes

P0340Camshaft Position Sensor 'A' (TDC) Circuit Intermittent