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2007 Chevrolet Silverado 1500 WT 5.3L Very High Idle
Posted to GM Driveability on 11/3/2008 8 Replies

this truck came in with a P0121 code (throttle position correlation problem),so we changed the throttle body,we got a new unit from the dealership,now the problem we are experiencing is that the idle is very high (2800 rpm) and some times it will come down to ...

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car Vehicle Data

2007 Chevrolet Silverado 1500 WT

VIN 2GCEK13M77
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port fuel injection
EmissionsOBD-II Compliant
SymptomsVery High Idle
OccursAny Timt
Misc.Dual Cabin,Short Bed 5.3Engine
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 1500 WT

VIN 2GCEK13M77
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port fuel injection
EmissionsOBD-II Compliant
SymptomsVery High Idle
OccursAny Timt
Misc.Dual Cabin,Short Bed 5.3Engine