94 gmc serria 1500 idling high with check engine light on so I ran the codes but nothing comes up when I go down the road the jerks like it about out of gas but I just filled up

94 gmc serria 1500 idling high with check engine light on so I ran the codes but nothing comes up when I go down the road the jerks like it about out of gas but I just filled up 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 2002 GMC Sierra 1500 extended cab sle. The fuel pump went out on it about six months back. I replaced it and my truck drove and ran like a champ. A few weeks down the road the fuel pump would 2 Answers

Start cutting out on me going down the road or it just wouldn't start at all. So I replaced the pump again for a 2nd time and it's been running great for almost 5 months. Now it is starting with t...

I have a 1994 gmc z71 with the 5.7 engine. When the truck gets to normal operating temp it loads up and stalls at low rpm's. The only way it will restart is holding the gas pedal to the floor. 2 Answers

I have replaced both injectors, fuel filter and complete tune up including the coil and the distributor pick up. Any help would be great.

i have a 1990 gmc going down the road it just stop running like it was out of gas but has gas in it 1 Answer