Chevrolet Avalanche 1500 Questions

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I know there is a recall on the instrument cluster but my engine dies at idle when the headlights kick on. I can turn the headlights off and the engine recovers. I also do not have any break lights or blinkers at times. they work when they want to. any suggestions?
I don't know the temp and my fuel is out too whats my problem
What can it be
Had my truck repaired at a dealership and less then a week later the check engine light came back on and now they say its my psi sensor in my fuel tank.I think they messed up.
no fuel present at injector valve on top of motor. suspect anti-theft engaged don't know location could also be emergency fuel cut off also don't know location. slight possibility fuel pump failed has been replaced several years ago situation slightly different when it failed there was no rough idle associated with loss of power then.
everything started when my truck was popping out of gear driving in 2wh dr on the freeway, had to put in 4wh hi to engage it again that went on for awhile replaced both 1/2 shafts, front hubs
I now have a loud air leak noise. He has the outside trip just sitting loose in between the windshield and around d the wipers and under the hood. Is the wi dshield suspossed to sit on top of the black plastic molding g? I never noticed it loose and just sitting g in there like that. I'm afraid to drive it this way not to mention the maddening noise
My parking brake cable broke this past winter and hasn't been fixed. I haven't had any problems with the light or beeping before today. This morning my electrical system restarted and now my parking brake light is on. It flashes and beeps when I drive now.
We go to start vehicle it acts like it's going to start but doesn't turn it over again and absolutely nothing no sound like it's trying to turn over nothing but full electricity inside lights radio you name it. We have had a new starter put in a new ignition switch fuel pump tested no not the problem. What could it be?
04 avalanche no power to fuel pump
My truck slows down to 20 miles per hour. I have to stop hour turn off the truck and restart it. It it getting worse what could it be
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