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2011 GMC Sierra 1500 WT 4.3L Poor Idle Quality
Posted to GM Driveability on 8/24/2023 12 Replies

Hello to everyone i have this truck that came in for reduced engine power and codes p1516 and p2101 replaced throttle body with a delco and all was good. Its acting up again and i found it only acts after you apply the brakes real hard, normal braking all ...

12 Replies Received (View Replies)

  Related Documents & Media  2011 GMC Sierra 1500 WT

 
Message Closed w/FIX

car Vehicle Data

2011 GMC Sierra 1500 WT

VIN 1GTN1TEX0B
Engine4.3 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIntermittently,
Message Closed w/FIX

car Vehicle Data

2011 GMC Sierra 1500 WT

VIN 1GTN1TEX0B
Engine4.3 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIntermittently,