darlene1
 

:( Please, I need help.
2004chevy 6.4 diesel.
truck when is in motion, stared surges. Accelarats on it's own. change gas pedal sensor and did not fixe the problem.

6.4? I think you're confused. If it is in fact an 04 Dmax it's a 6.6 LLY just so you know. Check the injector harness for wear/shorts. Check fuel filter, etc. Start with the small things.

Chevy 2004 , 6.5 diesel
 

:(Please , need some help?

chevy with a 6.5 diesel engine. the problem is, I be driven and the truck accelerator by self. I change the gas pedal, bouth did not fixe the problem.

Not sure who is more confused at this point, you or me.