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2001 Chevrolet Silverado 1500 4.3L Misfire
Posted to GM Driveability on 4/25/2012 11 Replies

All cyls showintermittant misfire, very low count. #4 is the only one that will misfire when hard accel, downshift,rpms over 4000, trans upshifts then #4 begins to misfire and will continue until decel and reapply throttle, misfire stops. We can duplicate ever...

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car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 1GCEC14W41
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / CFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, Intermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 1GCEC14W41
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / CFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, Intermittently

Trouble Codes

P0300Multiple Misfire Detected