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2004 GMC Sierra 3500 SLE 8.1L MIL Lamp on
Posted to GM Driveability on 7/3/2020 8 Replies

This code keeps re occuring and dropping the truck into limp mode. I've carefully lifted the wiring harness looking for chafe points and unless Im missing them, I can't see any issues that way. Injector gets its signal without interuption and compares t...

8 Replies Received (View Replies)

  Related Documents & Media  2004 GMC Sierra 3500 SLE

 
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 3500 SLE

VIN 1GTHK39294
Engine8.1 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P1294Target Idle Speed Not Reached
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 3500 SLE

VIN 1GTHK39294
Engine8.1 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P1294Target Idle Speed Not Reached