GMC Sierra 1500 Questions Maintenance & Repair
- Recently Active
On my 2007 5.3 engine Oil pressure is at 35 ksi when start engine cold and when warms up pressure drops to around 6 ksi at idle, when running holds around 28 ksi with 8 cylinders when deactivates...
Had a man come out and work on it all day. Replaced ignition switch. I knew the starter was not the problem, though he replaced it. I feel it must be a sensor or something electrical...but, I am a ...
my cruse control will not work. my wiper and high lights work. I check every fuse under the dash. They are all good. Where do I go next?
I've got a 1995 GMC Sierra that's having a few problems... 1: Fuel mileage is TERRIBLE-it gets between 8-10 MPG HIGHWAY, abysmal. 2: When cold, it stalls out when accelerating from a stop, or from s...
just replaced ignition and turn signal switch
When the vehicle is first started in the morning and it is cold the temperature knob will not increase to high setting for heat. The air conditioner is off and the heat setting selected. If you rota...
My truck starts fine when sitting for up to 8 hours. Longer than that and you're in trouble. It's the weirdest thing how it starts just fine anytime after it initially runs, but if you leave it overni...
When driving at 60km and higher ,tranmission is not shifting (i think)RPMs go up and feels really tight in the front end .I Have to keep on the gas or it wil bog out.Driving under 50 km everything see...
Distributor has no points. Timing light shows the firing is all over the place,It looks like a two inch band from about zero to 8 deg. plus BTDC. It's a 1994. It's the model before you could use the...
I was going 65 70 on the freeway When I noticed I smelt burning wires. the truck then kind of held back power while my foot was still on the gas . it does this every now and then feels like its l...
Submitted previous question but did not ask for the possible problem , sorry. anyone have any ideas on the fix. could it be the heater/blower relay???
Favorite this topic
Subscribe to GMC Sierra 1500 Maintenance & Repair questions.
Search GMC Sierra 1500 Questions
GMC Sierra 1500 Experts