All 2007 GMC Sierra 1500 questions

HAS LACK OF POWER

I have a 2007 GMC Sierra Z71 4x4. When I start it up, warnings come up and say that Hood is open,...

moving. A couple of times it would all of the sudden start pulling real good. When I first start ...

have good spark,fuel,150#compression.has set p300 and p101 codes.did swap out maf with known good...

It started a few days ago when I started and stopped and I took it to a GM dealer and they looked...

Truck kept wanting to not start and showed code P101 so we changed the fuel pump. Thought truck ...

to the head lights etc but the truck will not turn over. no power to the started? Is there som...

How do I repair the accessory chargers?

PUT A NEW CAP ON LIGHTS STILL ON

120,000 miles

I can hear the silanoid. for my horn but cant find the horn. I thought it would be in the grill??

was told I need a transmission overhall. It slips in and out of second gear. It is not leaking fluid

it was hooked to the diagnostic box and it said it was the body control module but it checked ou...

how do you get it off?

why fluid in front but not rear