GMC Sierra Fuel System
Browse GMC Sierra Fuel System questions and answers. Choose a question that matches your symptoms.
170 discussions
Gas Smell In The Cab Of The Truck?
When I First Start Up My Vehicle And Let It Idle The Cab Starts To Smell Like Fuel Not Exhaust But Straight Fuel. When I Start Driving Down...
Asked by GRHINEHART18
Cp4 Injection Pump Will Not Build Rail Pressure
The Low Reference Wire Going To Fpr2 Is Showing 12 Volts. Is This Correct?
Asked by Tony Fussell
Diesel Fuel Leak
At The Fuel Filler Neck, Just Beyobd The Truck Exteriot The Filler Hose Is Coupled With A 1/4" Breather Tube. It Appears The Hose Is Missing...
Asked by bposter
Fuel Pump Control Module Swap?
Can I Replace My Fpcm With One From A Junk Yard Ik Will Have To Get It Programmed But Are The Interchangeable.
Asked by Alex Boutot
Fuel Pump Not Working
Fuel Pump Will Not Run Or Prime. Replaced The Fpcm And Replaced The Fuel Pump. Fuse Are Good. And The Grounds Are Good. Can Straight Wire...
Asked by fish0505
Misfire
Hello, I Have Problem With My Truck , The Vehicle Started To Misfire From Few Weeks, It Starts With No Issues At All But When I Am Cruising...
Asked by General.motors
Rough Starts In The Morning
So I Rebuilt My Top End 6 Months Ago Or So And Ever Since Then I’ve Had Rough Starts In The Mornings But It Has Gradually Gotten Worse Or...
Asked by DragonScullFireLord
Fuel Pump Fuse
The Truck Keeps Blowing Fuel Pump Fuses. When I Try To Start It When It Is Not Parked At The Level, When The Truck Is Park Level It Starts...
Asked by Alexandre Corbeil
My Truck Wont Start And I Replaced The Fuel Pump And...
My 2006 Gmc Sierra Denali Didnt Start One Day After Work A Couple Of Days Before That I Had To Hit The Fuel Tank A Couple Times And Then It...
Asked by byron06denali
Try To Put Gas In Tank But It Will Not Take Gas Fast
Try To Put Gas In Tank And It Keeps Shutting Off Ten To Thirty Cents At A Time. Engine Light Is On.
Asked by Robert VanAlstine
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