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2005 Chevrolet Silverado 2500 HD 6.0L Misfire
Posted to GM Driveability on 10/24/2011 12 Replies

Hope to find some help...05 chev has single misfire on cyl 5 at idle ,reach [...] rpm them #1,6,8 start..# 5 and 8 are the most frequent...plugs been checked..coils checked and swapped with no change ..have tried cleaner for injectors and have just finished up...

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car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23U95
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

2005 Chevrolet Silverado 2500 HD

VIN 1GCHK23U95
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, Idle

Trouble Codes

P0300Multiple Misfire Detected