GMC Questions Maintenance & Repair
U0121 Possible Fixes
2013 GMC Terrain 15k miles barely ever driven brand-new condition kept in garage no rust no corrosion no dirt immaculate. BRAKE ABS TRAC lights on, Service Power Steering message, lane depart and co...
I Have No Brake Lights Are Power To The Lights
No brake lights no power to the brakes and fuses are good what am I missing and number eight on the door fuse block it says
94 GMC Sonoma Fuel Issues
I have a 94 GMC Sonoma V6 4.3. We have replaced the fuel pump and filter, new spark plugs, distributor cap and rotor. The truck with crank but not start. I am at a loss
What Should I Do Next
I'm having fuel stark and it sounds like it wants to back fire and it smells like fuel when it tries to back fire to start
Can I Have An Expert Opinion On What's Happening With My Car Please?
When I start my carn I have to warm it up for about 5 minutes or the gear drives as if its in low gear.
Why Is My Truck Overheating
I have a 2015 gmc serria I changed my thermostat because of over heating and didn't help but when I turn on cab fan on cool it stops over heating why
My Car, The Air Conditioner Turns Off When The Heat Fan Is Turned On,
The air conditioner turns off when the heat fan is turned on
Gas Gauge Way Past Full
I have a 2005 Yukon XL, the gas gauge goes past full. First to about 3 o'clock, next time to 5, next time started to about 7 o'clock. this was after filling it up and after several starts. Any ide...
Why Won't My 2002 GMC Envoy Start
I have a 2002 GMC Envoy it won't crank it won't start the lights come on and makes it clicking noise I change the battery I changed out the starter I change the fuses I changed out the shift lock ...
Why Does My Display Screen Turn White?
Display screen turns white.
I've Got A 2010 GMC Sierra 5.3 That Overheats At Highway Speeds!
I've changed the radiator water pump thermostat and flushed the cooling system to no avail?
Transmission Problems Won't Shift Out Of First Gear
Transmission won't shift out of first gear speedometer an dash works just fine no failure there and just installed a new pcm any ideas?
Transmission Problems
Transmission won't shift out of first transmission was changed an only lasted a few month's an just put a new pcm an still the same any ideas??
No Crank No Start I Can't Figure This Out I Need Help.
I bought 2007 Envoy SLE 4.2 very well taken care of. I got in it started right up I drove about 10 minutes down the road came to a light and it just died. Haven't gotten it started since. I've repl...
2003 Gmc Sierra 1500
My 2003 gmc Sierra won’t start and cranks one time and I go to try again and it won’t even crank but I still have light on the truck but it would only crank once and than won’t do it again I have a...
GMC Acadia 2012 SLT Cruise Control + TC
My Cruise control does not work, I did some work on the suspension (new coilers, wheel hubs) I also changed the brake position sensor. Now the Cruise won't work and sometimes TC light comes on with ...
Why Will Car Not Start After Replacing Part 12679100
Car will not start afte
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