Transmission would shift hard between 1st to 2nd and 3rd to dr.would not shift to 2nd till 20 mph. Would not shift to third till 35 mph. I had it diagnosed and it showed bad throttle body censor and low power. I replaced throttle body censor and cleaned the fuse box contacts. Now it shifts like it is supposed to! !!!
My 95 sierra k2500 4x4
1995 GMC Sierra 2500 2 Dr K2500 SL 4WD Extended Cab SB
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Maintenance & Repair
1992 GMC Sierra 2500 2 Dr C2500 SLX Standard Cab LB
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Maintenance & Repair
I have a 2003 gmc sierra 2500 6.0 4l80e 4wd, tach and speedometer don’t work, the truck itself, when viewing live data, doesnt register how fast its going. All speed sensors ohm out to 1.39-1.42 oh...
2003 GMC Sierra 2500 4 Dr SLT 4WD Extended Cab SB
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Maintenance & Repair
I have a 2003 gmc sierra 2500 6.0 4l80e 4wd. Ive had issues with two transmissions with it shifting hard, no speedometer or rpm gauges, and no start by key. Replaced neutral safety switch, checked ...
2003 GMC Sierra 2500 4 Dr SLT 4WD Extended Cab SB
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Maintenance & Repair
I have an 03 gmc sierra 2500 6.0 4wd, Ive had this issue with two transmissions now, speedometer and rpm gauges show 0, the truck is shifting hard, ive tested 3 sensors that i have ( the truck is o...
2003 GMC Sierra 2500 4 Dr SLT 4WD Extended Cab SB
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Maintenance & Repair
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