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2005 Chevrolet Suburban 2500 LT 8.1L Hesitation, Surge, Misfire
Posted to GM Driveability on 9/13/2011 10 Replies

under part throttle up a hill the engine feels like it is missfiring, but no missfires show up on the moniters. at half or more throttle it doesnt act up. power brake the truck and it doesnt act up. the truck never throws the check engine light.

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car Vehicle Data

2005 Chevrolet Suburban 2500 LT

VIN 2GNGK26GX5
Engine8.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / mpi
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Misfire
OccursUnder Load, Cruise
Message Closed

car Vehicle Data

2005 Chevrolet Suburban 2500 LT

VIN 2GNGK26GX5
Engine8.1 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / mpi
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Misfire
OccursUnder Load, Cruise