I recently installed a long block navistar in my 94 k3500. After finally getting it started it will run for 10 min and shutoff. I have switched out the pmd with a new one it does the same thing. I can not get any data stream from the computer. OTC genesys says no data. I'm thinking the ecm is...
I recently changed my engine because my 599 block had cracked starter mount. Bought the truck and I didn't know the guy welded a stud in for the starter. Anyhow put in a supposedly low hour hummer 6.5 engine. Installed new cable for relocation kit. But the engine cranks a long time before it...
My 94 6.5 kicks out of overdrive when I get on it. It shifts fine coming up through the gears and once I get into the throttle it kicks out. Also the speedometer seems to not go above 65mph. I'm thinking the speed sensors. Not sure can anyone throw some advice this way thanks