GMC C2500 Engine Symptoms

Browse GMC C2500 Engine Symptoms questions and answers. Choose a question that matches your symptoms.

70 discussions

91 GMC 2500 Not Cranking

2012 GMC C2500
I Cranked This Truck 2 Wks Ago On The First Turn Over And Now It Turns Over But Doesn't Fire. I Replaced The Ignition Module And Spark Plugs...
1 ANSWER
Asked by William2

2004 GMC C2500 Diesel Hiccup

2004 GMC C2500
Engine Mechanical Problem 2004 Gmc C2500 V8 240000 Miles I Have A Chevy Silverado With A 6.6l Diesel That Has A Attitude Problem. ...
1 ANSWER
Asked by ajjoosse@xplornet.com

Engine Started It Ran Very Rough, Missing Badly?

2004 GMC C2500
Last Night When Engine Started It Ran Very Rough, Missing Badly. Turned It Off And Restarted After A Minute, It Stopped Missing And Ran...
1 ANSWER
34 IMAGES
Asked by rgpaolini@gmail.com

Engine Runs Poorly, Burns Gas

2003 GMC C2500
Catalytic Converters Have Been Gutted Before I Got The Truck Not Showing Check Engine Light But Getting Fuel System Lean Bank 1 An Bank 2....
1 ANSWER
Asked by sgordon80

Rough Idle

2003 GMC C2500
03 Gmc Idles Rough And Engin Light Flashes But Goes Of After Driveing It A Few Feet Just Changed Plugs And Wires Same Thing Mabey Worse
1 ANSWER
Asked by rick30

2003 GMC C2500 Duramax Won't Start

2003 GMC C2500
I Drove My Duramax Less Than 50 Kms, Parked It In My Heated Garage And It Won't Start Since. It Turns Over Fine But Makes No Attempt To Fire...
2 ANSWERS
Asked by nomlar

2003 GMC C2500 Will Not Start

2003 GMC C2500
My Duramax Diesel Worked Perfect Exept For Defective Battery Problems,replaced Both 3 Times. This Problem Is I Drove It In My Garage After A...
1 ANSWER
Asked by nomlar

2003 GMC C2500 Low Engine Power

2003 GMC C2500
While Driving Engine Suddenly Loses Power, Alam Sounds And The Indicator Reads "low Engine Power" When I Push Down On The Excelerator, It...
1 ANSWER
Asked by gralli

2003 GMC C2500 Stalling Out Power Loss

2003 GMC C2500
Truck Dyes While Going Down Highway, Dash Light Says Power Loss, Check With Scanner, Gives A Vehicle Speed Sensor Code, Changed One In Trans...
3 ANSWERS
Asked by daggy

2002 GMC C2500 Engine Rpm

2002 GMC C2500
Looking To Purchase This Truck It Has The 8100 Engine. When In Park The Engine Won't Rev Past 3000 Rpm But Driving It Works Ok. Any Ideas?
1 ANSWER
Asked by Forgetfull442

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