My 95 gmc 1500 won't catch in reverse. It is fine forward. Could it be the shift module?

My 95 gmc 1500 won't catch in reverse. It is fine forward. Could it be the shift module? 2 Answers

My 97 gmc sierra 4x4 1500 will not shift while in drive but if I put it in 2 it will move like normal. reverse works great. tranny is full of fluid. 4 Answers

Rpms shoot up to 4-5 when stepping on gas in drive. It is an automatic. When I manually shift it to 2 it drives fine no spiked rpms.

I have A 08 GMC Sierra 6.0 1500. My heat only works when I am driving the truck. It blows cold air when the truck is in park no matter how long it idles. Any ideas on what could be the issue? 1 Answer

I have even driven the truck to get the heat warm and then put it back in Park in let it idle and it cools back off

What could it be 2 Answers

My 2000 gmc starter went out my dad who is 80 keep pumping the fuel in to it and when I put the new starter on it started to pop and have low power. What could it be

I have a 1991 GMC Seirra it stalled and won't start checked fuses and fuel pump everything is fine what else could I look for? 1 Answer

It was running fine the days before the it stalled and wouldn't start back up. I'm lost Checked fuses, fuel pump and everything is fine so I have no clue what else to look for.