Sierra C/K 1500

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Sierra C/K 1500

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GMC Sierra C/K 1500 Questions

Why Would It Backfire From TBI?

I have a 1990 gmc k1500 5.7 tbi. I had the engine rebuilt, bored .040 over and mid range cam installed. I have replaced every item that touches the engine already. Map, IAC, TPS, rebuilt the TBI, EG...

Trans Identity

10

I Have A 1990 GMC K1500, Stalling Issues.

the truck will start up most time fine with a little gas, after about 30 seconds in idle it will do an irregular idle and then stall out. Also when I put the truck into reverse or drive without my fo...

160

I Have A 1990 GMC Sierra Which Has A 350 Engine And A Throttle Body Carb. I...

some days it will not start. give it a shot of starter fluid and it usually starts. then again some days that won't do it. When that happens I found that I was getting no spark. Once it does start i...

Engine Cooling

Where would I connect an after market temperature guage on a 1990 gmc k1500 with a 5.7l 350