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2001 Chevrolet Silverado 2500 HD 8.1L Extended Cranking
Posted to GM Driveability on 7/8/2016 6 Replies

Truck came in with a P0342 and P0336. Cleared codes and P0342 returned testing showed no cam sensor signal. Replaced cam sensor and code cleared but still has an extended crank. Checked signal at PCM for cam and crank shows to be in sync with a good scope patt...

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car Vehicle Data

2001 Chevrolet Silverado 2500 HD

VIN 1GCHK29G91
Engine8.1 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsExtended Cranking
OccursIntermittently
Message Closed

car Vehicle Data

2001 Chevrolet Silverado 2500 HD

VIN 1GCHK29G91
Engine8.1 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsExtended Cranking
OccursIntermittently