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2016 GMC Sierra 2500 HD SLE 6.6L No Start
Posted to GM Driveability on 1/22/2026 7 Replies

Vehicle was brought in March 2025 for crank no start. The CP4 had imploded like they do. I did a complete contamination kit and replaced the entire fuel system. EVERYTHING. Also converted it to a CP3 from Fleece. Truck was fine until it started to get c...

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car Vehicle Data

2016 GMC Sierra 2500 HD SLE

VIN 1GT12TE80G
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Direct
EmissionsOBD-II Compliant
SymptomsNo Start
OccursCold
Open Help Request

car Vehicle Data

2016 GMC Sierra 2500 HD SLE

VIN 1GT12TE80G
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Direct
EmissionsOBD-II Compliant
SymptomsNo Start
OccursCold