2006 GMC Sierra 1500 Questions

All 2006 GMC Sierra 1500 Questions

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Then it'll go in reverse but now it's not going into drive unloi do the same thing, any ideas on what is happening with it?
I've had this truck for about 6 months. When I first got the truck I left it idling for about 45min shut if off then it wouldn't start. Battery was good. took to dealer they found a short in the wiring harness. A few ...
The truck is a crew cab and I noticed i can hear a air noise like there is a fan going in the back seat area and gets louder on highway and when you step on gas pedal .When i let off gas pedal it gets slightly quiet.
I had replaced the gas cap with a new o e m one and it didnt work the display comes on every tine i drive the truck.
on a cycle that allows recirculation there is some heat
the computer plug for a tester will not read
I had P0449 code - shop replaced canister vent solenoid & vent valve - now have non-working gas gage - could this be due to bad sending unit? Shop is saying gas float is to blame, need new fuel pump - what is connecti...
the casister vent solenoid and the vent valve was replaced. I now have a non-working gas gage, could this have been affected by the replacement of the eev solenoid? Repair shop now states I need to replace the fuel ...
The A/C works perfectly fine. Yet when switching over to the heater nothing but room temp air blows out. This problem started at about 90,000 miles. Im planning on selling the truck soon and i would like to get it fix...
evaporat8ive emission system pressure sensor repair