GMC Questions Any type

99 Sierra Shifts Rough Only In 1st Gear And Tachometer Doesn't Work

I have a 1999 GMC Sierra. I replaced all the spark plugs and fuel pump. I left and ignition coil on the back loose so it was idling rough. I plugged it in and ever since then I wasn't able to crank...

No Power

I have a 08 Yukon XL, I have no power to my driver door. But all my other doors work not the driver door.

2010 GMC Acadia Starting Issue

Drive it home and parked it in the driveway, turned it off, but it wouldn’t turn back on. Replaced the battery and it still wouldn’t turn over or start. Fifteen minutes later I tried the remote sta...

What Is My 1989 GMC Sierra Worth, Not Currently Running, Faded Paint?

1989 GMC Sierra Truck, not currently running, faded paint, no radio

Rebuild

I want to rebuild my 1999 GMC Sierra to be like new.

Rebuilding A Truck

I ha

Charger/maintainer

Can I connect a charger/maintainer while the battery is connected to the vehicle.

Engine Swap

I have a 2005 GMC Sierra 1500 with a 4.3 v6 I was wondering if I can swapp the 4.3 to a 350 from and older Chevy ?

Need Recommendation Of Car

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Fuel Issue

Have a 2000 gmc k2500 with the 5.7. Just changed the fuel pump and fuel filter. It ran great for roughly 2 hours then began to spit and sputter and backfire through the intake. Barely limped it hom...

Heating And Air And Drive

My car blows cold air out on one side and warm air on the other. What could this be and how can I fix it without taking it for an overpriced repair.

Loss Of All Gears

Finding Location Of ECC On Vehicle.

I have a 1983 GMC G2500 van with a 5.0 L engine in it. I'm needing to replace the ECC on the van but can't find the location of said device. Can you help me with this. It is a handicapped accessibl...

Does Truck Need Tune Up?

Engine runs real rough. 140k no. Tuned 70kago.

GMC Envoy Xl

So for 3 months I finally figured out that my rough idle problem was caused by my o2sensors and I also did fuel injection clean.my pcm doesn't need to be updated as well that's why I had no check ...

What Is This?

Started Jam

Okay was stranded. A mechanic came n yapped starter and it crunk and still cranks. Was it just a jam or I need to purchase a starter anyway

Headlites Out

My headlites went out. I have running lites and brake lites also signals. But headlitest don't come on

Will Not Crank If It Sits More Than 1 Day ( Brand New Battery)

I have a 2003 chev Silverado z71 and have a brand new battery in it , if I crank it every day it is fine but if I skip a day or two , it kills the battery.

I Had Ad Up ( 58x55) Then You Wanted Code Photo In Window..i Just Sent To Y...