I have 2001 gmc sierra 1500 8-4.8. Got in it wouldn;t start. Its not the battery.. Do you think it could be a relay or starter?

I have 2001 gmc sierra 1500 8-4.8. Got in it wouldn;t start. Its not the battery.. Do you think it could be a relay or starter? 1 Answer

04 gmc sierra 1500 5.3 died on me on the highway got it towed home starting going at it, hooked two different scanners to it and not throwing any codes (ecm is working bc the map was reading correctly but also the rpm was zero) anyways checked fire none checked injectors they wasnt working either(built fuel pressure then unplugged fuel relay then turned engine over and the pressure stayed the exact same) i assume it might be the crank sensor but i would think it would throw a code, anyways came back this morning and before doing anything for the hell of it i checked the gas cap and tightened it and it fired up perfect three different times and the last time i let it run and it died after bout 45 seconds (fuel pressure reads 55) and after it died its doing the same thing cranks but wont fire or start 1 Answer

died on me on the highway got it towed home starting going at it, hooked two different scanners to it and not throwing any codes (ecm is working bc the map was reading correctly but also the rpm was...

Iv got a 98 gmc 1500, just put a new jasper 350 in the other day and cant get started. i have fuel, compression, and spark, i know i have to time it with the computer once its started. but i cant get it started. any ideas? im sure i have it timed right, but also this distributer does not have the timing markings. 6 Answers

1998 GMC 1500 sierra 5.7 350

Ok I have a 1994 GMC 1500 sierra 5.0 305 it dies in gear sound awesome in idle but dies if not on gas 3 Answers

Ok I have a 1994 GMC 1500 sierra 5.0 305 it dies in gear sound awesome in idle but dies have changed the tps,the EGR Vacuum Solenoid the Idle Air Control Valve , TBI Base Gasket,Fuel Pressure Regulat...

Hi. My 1996 gmc sierra 1500 I was driving down the freeway and truck died. A couple minutes later it would start. I got home turned it off and it won't start. Got fuel up to the throttle body 2 Answers

Changed filter and regulator And pump is running. Starting fluid or gas in throttle body will start and run til it's gone. Help! Please