1991 GMC Sierra 1500 Overview

Sierra 1500

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Sierra 1500

Looking for a Used Sierra 1500 in your area?

CarGurus has 59,309 nationwide Sierra 1500 listings starting at $2,455.

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GMC Sierra 1500 Questions

How Do I Find Out What Size Fuel Tank I Have For A 1991 GMC Sierra 1500?

Fuel tank is leaking and I need to order another one. Tried using the VIN on some sites but no luck.

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Rear Main Seal

Hey I have 91 GMC sierra k1500, i just recently found out that my rear main seal is done for. I called a couple places to see how much it would cost to get fixed, but from what I've been hearing on th...

Fuel Delivery System

I have a 1991 GMC Sierra that is having fuel delivery problems. It'll start fine and run fine until it warms up, then it seems like the fuel pump quits working. I've watched the see through fuel ...

Rough Idle

Rough idle won't stay running have change elec.spark control, idle air control,plugs,map sensor,tps, and the ecm.. Still running rough but if you unscrew the IAC it idles high but the miss smooths...

Toyota 4.3 V8 Swap

Crazy, me? Don't know if this is a ludicrous question, but I have shot 2 350 engines in the past few years, I want to try something else. Can I swap a Toyota 4.3 V8 into a GMC Sierra. Willing to ...