GMC C2500

Engine Runs Poorly, Burns Gas

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....

Asked by sgordon80 ·

1 ANSWER

2003

Throttle Actuator Service

VIDEO

Throttle Actuator Service

Instructional repair video

Bubbling or Gurgling Noises

Bubbling or Gurgling Noises

Your vehicle can make bubbling or gurgling noises for a verity of reasons, and can be a signal of various underlying issues within the vehicle. Here is why this phenomenon...

TBI Issues

Gmc V2500, 5.7 Tbi. Starts, Idles And Runs Okay At Low Rpms, But Will Hesitate And Cut Out Under Load Or Sustained Off Idle Rpms. If...

Asked by Jeepster1975 ·

8 ANSWERS

1 IMAGE

1987

No Codes, "Service Engine Soon" Light Stays On Steady...

I Have Checked All Fuses, Connections And Relays - They Are Good. Grounds Seem Clean And Tight. When I Jump A And B On The Obdi Connector...

Asked by RichardMor ·

24 ANSWERS

14 IMAGES

1992

Engine Not Cranking

I Bought My Truck Listed Above From Someone This Past Winter. They Weren't Helpful At All With Giving Me Really Any Info On The Thing....

Asked by wecanmakeitfit ·

2 ANSWERS

1 IMAGE

1991

Engine Oil Change and Filter GMC

VIDEO

Engine Oil Change and Filter GMC

Instructional repair video

Four Wheel Drive Only Works When Truck Is Cold

When The Truck Is Cold And I First Started My Four-wheel-drive Will Engage But As I Drive It For A Couple Miles And Or It Reaches Operating...

Asked by Joe Smitley ·

1 ANSWER

4 IMAGES

1997

Should There Be A Rough Rotation On Crankshaft?

I Noticed While Trying To Replace Pushrod On 454ci. The Crankshaft Rotate Bit Stiff About 180 Degree Almost A Full 360 Degree. Not Only That...

Asked by Black_mask07 ·

1 ANSWER

1986

Water Pump Replacement

Water Pump Replacement

A water pump is bolted to the front of the engine block or timing chain cover and is driven by a serpentine belt, timing belt or timing chain which you should consider...

Overcharging

I've Replaced The Alternator, Battery And Ecm. It's Still Overcharging.

Asked by Larry LaFrank ·

1 ANSWER

1 IMAGE

1989

Reverse Gear Is Not Working Properly

No Reverse Even When It's In Reverse Or Neutral It Wants To Go Forward.

Asked by Timmyv123 ·

3 ANSWERS

1989

Will Not Start

So, I've Had This Issue A Few Times In The Past. Every Now And Then When I Go To Start My Truck It Would Not Start And There Would Be A...

Asked by Dawson Anderson ·

1 ANSWER

1 IMAGE

1992

No Start No Injector Pulse

So I Just Bought The Truck Listed Above K2500. When I First Went To Look At It The Guy Said It’s Been Sitting For Over An Year He Got It...

Asked by Dennis4457 ·

3 ANSWERS

2 IMAGES

2000

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