If the truck is revving up like you said and the engaging, that sounds transmission related to me. A symptom like that can be as simple as a low transmission fluid level to internal damage. Have a transmission mechanic diagnose the issue. Any lights lit up on the instrument cluster like the check engine light? If so scan for the trouble codes.
Odds are the transmission is getting read to pack it in.
U go down the road and it just starts revving up then it will catch and go and some kind of noice coming out from the bottom
2000 GMC Sierra 1500 SLT 4WD Extended Cab LB
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Maintenance & Repair
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...
2002 GMC Sierra 1500 SLE Standard Cab SB
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Maintenance & Repair
How's it going hope everyone is good .I'm trying to see if I can get help on my truck 5.7 .ok so I have been having trouble with my fuel pump not turning on sometimes for about 2 months.the first t...
1993 GMC Sierra 1500 C1500 SLE Extended Cab Stepside SB
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Maintenance & Repair
My truck don't wanna shift from 2nd to 3rd, and sometimes won't go in 1st. Also at times when going from park to drive or to rev it jerks real hard and dies. U can hear the trans when u change fr...
2007 GMC Sierra 1500 SLE1 4WD
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Maintenance & Repair
My truck has always popped right off when I hit the key. Of late, it seems to crank for 3-4 seconds before starting. Runs fine. Battery was weak so I recently replaced. Seemed to help but didn't...
1998 GMC Sierra 1500 C1500 SLE Extended Cab SB
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Maintenance & Repair
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