What would cause my door locks to not lock and unlock using the truck button and the keychain device

I have a 1990 gmc seirra 1500 4X4 with the 5.7 350 in it....im having trouble with it missing and backfiring thru the intake after it warms up...it runs fine cold....i 've replaced the plugs , wires , cap , button , and fuel filter and the fuel pump is about three yrs old...any ideas or experiences? 3 answers

It seems to me like its choking itself to death....make sense?.....what would cause that?

TRUCK ALARM 1 answer

I have a 2006 GMC Sierra 1500 and the alarm goes off at random times only when we're at home. The other night we went out to check the area and heard our nasty neighbors laughing. We have had troubl...

I have a 1990 gmc seirra 1500 4X4 with the 5.7 350 in it....im having trouble with it missing and backfiring thru the intake after it warms up...it runs fine cold....i 've replaced the plugs , wires , cap , button , and fuel filter and the fuel pump is about three yrs old...any ideas or experiences? 1 answer

sometimes starts with low idle sometimes starts correctly. 5 answers

2002 GMC sierra. sometimes when I start the truck it will idle about 500, then it will run rough or stall. If I turn it off, I have to turn the key off completely, and restart it will idle at 1000 an...

does the 2004 GMC Sierra Denali 1500 have a kill switch installed to prevent it from being stolen? 12 answers

My truck was stolen and i,m trying to figure out if they had a key or not.