Have a 94 gmc box truck 7.4L. Runs great in park but wants to die in drive. Changed plugs and wires, now i have a code for IAC would that cause it to die in gear?

Have a 94 gmc box truck 7.4L. Runs great in park but wants to die in drive. Changed plugs and wires, now i have a code for IAC would that cause it to die in gear? 5 Answers

i have a 2003 GMC Yukon SLT 5.3L that when i put in reverse or drive it makes a loud grinding noise and it does not move. what can cause this to happen? 24 Answers

Even being in park the truck will still roll forward. In order to stop it I have to place a rock in front of the tire or place it in 4WD, like it sits right now.

I have a gmc sierra 07 model, 4 whl drive with a 6 in lift. I put it in drive and push the gas and it goes fine but will not shift from 2 to 3 at all. Sometimes i put it in gear and it jerks hard and 1 Answer

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...

i have a 07 gmc envoy, whenever i start it up runs and idles fine, but when i put in in gear it rund rough, when i drive it a few miles it runs fine. 2 Answers

i have a 07 gmc envoy, whenever i start it up runs and idles fine, but when i put in in gear it rund rough, when i drive it a few miles it runs fine.

I have a 1999 GMC Serria 1500 series truck I took out my 305 engine and put in a 350 engine now it wants to stall 1 Answer

I put all most everything new in the motor even a computer and when I did it runs worst. Please help