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1999 Chevrolet K3500 7.4L No Start, Poor Idle Quality, Cuts out, Stall, Misfire
Posted to GM Driveability on 3/19/2010 6 Replies

VEHICLE WAS TOWED IN AND COMPLAINT WAS A CRANK NO START. CHECK FOR SPARK AND NO SPARK HAD 55PSI KOEO FUEL PRESSURE.

CHECKED CODES... PO339 AND PO341- CRANK POSITION SENSOR OUT OF RANGE AND INTERMITTENT... i FOUND INFO ABOUT EMI INTERFERENCE CAUSE OF WIRES... ...

FIX posted 3/22/2010

6 Replies Received (View Replies)

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car Vehicle Data

1999 Chevrolet K3500

VIN 1GBJK34JXX
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsNo Start, Poor Idle Quality, Cuts Out, Stall, Misfire
OccursAlways

Trouble Codes

P0339CKP Sensor ‘A’ Circuit Intermittent Signal
P0341Camshaft Position Sensor (TDC) 'A' Circuit No Signal