GMC Sierra C/K 1500 Questions Any type

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At A Stand Point, Map Sensor Issues I Think

Losing power during idle and in gear


So I Just Put The New Jasper 350 In A 1998 Gmc 1500, And The Guages Are Iff...

The coolent temp guage goes from 160 to 260 vary fast. i have taking the thermistat out and the gauge still seems to be overheating any ideas. ALSO the oil pressure guage seems to be all over the pla...

2012 Gmc Sierra Electical Problem! Help!

My 2012 GMC has an electrical problem and its driving me nuts! I replaced the battery in it in Nov of 16, but around December 2016 it started wigging out on me. First I started to notice the radio and...


No Tail Lights 96 Gmc Z71

I have LED lights on my truck. I hooked up a trailer with a short and now none of the lights on the back of my truck work. No running lights, not brake lights, not turn signal, and no back up lights...


I have a 98 gmc sierra c1500 with 4.3 when i drive about 5 or so miles the truck loses power my blinker lights on dash start fadding away and then the the truck will shut off and wont start for ab...


Will a Chevy K1500 1992 extended cab front seat fit in a GMC K1500 1994 extended cab.


I have a 4L60E transmission. I had it rebuilt. It shifts up and down fine, but sometimes you stop at red light it won't shift down. You manually put it in first gear and it's like it's in second ge...

93 K1500 4l60e

I have a 93 k1500 had trans rebuilt an sometime it won't downshift shift it to first it fill like it is in second gear shift it out to overdrive it shifts fine step on it it down shifts it drive ...

Passenger Rear Tire Locks Up

Passenger rear tire locked up but when break pedal is applied it unlocks for a brief moment then locks up again any ideas

Truck Won't Hold A Constant Speed

While I am driving down the road above 40 mph I always have to accelerate because it won't keep a constant speed and when I do accelerate sometimes it will sit there at the same rpm and all of a s...

96 Gmc K1500 Loss If Power

Truck won't idle loss of power and skips badly. A month ago I replaced distributor after gear stripped out and ran fine for 3 weeks. I was coming over a bridge running 85 mph and stomped it then wh...

Would A 4l80 Replace My 4l60 Transmission

I have a 1994 gmc 1500 5.7 and my 4x4 trans went. I am just wondering would the same year of a 4l80 replace the 4l60?

What Interchanges

Curious to know what year will interchange with a 1996 Chevy 1500 350 vortec but looking​ to see if and older model will interchange like 91 up to 96 or 93.

Runs Great For 20 Minutes Then Starts To Run Rough/misses Occasionally

Ran as described above but recently would not start, a day later it would then run similarly as above. After running for about 45 minutes it started to idle very fast. Am trying to get diagnostic co...

Fuel Pump Cuts On And Off When Driving Over Pot Holes

When ever I go over a potholes or bad cracks in the street the fuel pump cuts off but after going over the pot holes it goes back on


Sometimes Truck Accelerates Well, Sometimes It Doesn't At All.

Hi, So i have been having an issue with my pickup since I've picked it up a couple months ago. Some days when i start it up, it runs like a champ, accelerates well and feels powerful. Other days, I ...

Valve Covers

changed valve covers on my truck and now its idling different.

We Took Our 98 Gmc Z71 Pickup To Mechanic To Replace The Fuel Pump?

We picked up our vehicle after shop hours. It started right up but we could smell gas and heard a quiet "puff". We turned it off and got out to look under the bed where the gas tank had to be droppe...

Loss Of Power.. Won't Fire Up

Had truck scanned it said MAS was bad. Bought new one ran truck. Truck then again loses all power. Will eventually die out if I keep giving it gas.

Boggs Out On Take Off

My 88 sierra 5.7 tbi Boggs out on take off. Wnta to die at stops. Runs great in park. Changed fuel filter, pluggs, wires, rotor, map sensor, tps, coolent sensor, iac, egr valve, egr valve selinoid,...

GMC Sierra C/K 1500 Experts

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    Andrew Olsen
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    John Saffrahn
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