hi i have a 98 gmc sierra k1500 350 5.7lL i curently just rebiult the bottom end of the motor including a new crank yesterday was the first test drive it started up drove it around and then let it sit and idle for a littlw while and the it stalled on me and the would not turn back over any ideas on what this could be ?

hi i have a 98 gmc sierra k1500 350 5.7lL i curently just rebiult the bottom end of the motor including a new crank yesterday was the first test drive it started up drove it around and then let it sit and idle for a littlw while and the it stalled on me and the would not turn back over any ideas on what this could be ? 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...

I have a 2015 GMC Sierra with only 4000 miles on it and it makes a rattling noise when it starts then when it hits 210 on temperature it stops the noise what could be the issue 15 Answers

It only does it in the mornings and it sounds like something is either loose or just vibrating against other metal. I have no problems with the truck or from what i can tell it just makes that annoy...

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

I have a 1990 GMC Sierra with a 305, I need to put a new engine in it and would prefer going back with a 350. Can I Put any GM 350 in it from the 90's? 3 Answers

My 1990 305 blew up on me and I would prefer to go back with a 350 but can it be any 350 from the 90's? If so what year would be best, I have heard good things about the 5.7 Vortec's. Also its a 5 s...