1998 GMC Sierra 2500 Overview

Sierra 2500

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Sierra 2500

Looking for a Used Sierra 2500 in your area?

CarGurus has 154 nationwide Sierra 2500 listings starting at $2,995.

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GMC Sierra 2500 Questions

Rough Idle. What Do I Replace Next?

My Sierra 2500 (manual transmission, 180,000 miles, 5.7 liter, extended cab, 4x4) went from 15 mpg to 10 mpg suddenly. I've replaced spark plugs, spark plug wires (they were worn), the ignition swit...

After 5mins Or So I Can't Get Above 3000 Rpms, Please Help.

It starts up fine, runs like a brand new truck for a few minutes, then starts struggling. When it's struggling it won't go over 3000 RPM, when i try to force it over 3000 it'll start getting misfir...

1998 Gmc 2500 Automatic 4x4 Transmission Problem

Put truck in reverse it backed up about 30 feet then put it in 1st gear it started to pull but then just like it went into neutral just revs up so I put it back in reverse but it just revved up won...

When I Turn My Blinkers On Nothing Happens. No Sound No Lights. It's On A 1...

I Have A 1998 2500 Gmc 4x4 Sierra Pickup,put In New Fuel Pump And Filter,ha...

if i put gas in the intake,it starts and runs till that gas is gone,some one told me it is the regulator and spider,what tells those two things to start working?is there a wire that might be bad?or ...