Questions & Answers for: starting problems 98 sierra

...Sierra with 5.7 vortec. runs rough then stalls when stepping on accelerator. Have put on new fuel pump, new fuel pressure regulator, new fuel pump relay, new air filter. No leaks in fuel lines, truck ...

98 gmc sierra sputters and clacks when first accelerating Gmc sierra 1500 4.8L I have recently replaced the spider injector assembley, the fuel pump and did a tune up. it starts and idols fine but ...

...98 SE 416 type 5 vitara engine for a conversion into a sierra. The engine wont start due to an immobiliser in the computer that needs to be bypassed. Where can information like wiring diagrams for ...

98 GMC 1TON crewcab with a 454. Problem I was driving home 35-40 mph no issues or problems and the truck fell flat on its face. It started popping and backfiring. I was able to limp it home. I changed

Hi, i swapped a 97 4.3 vortec to 98 5.7 vortec in the 97. The problem i"m having is the fuel pump is running for about 15 to 20 sec, and when i start it, it starts and then shuts off in the on ...

98 5.7 Vortec into a '97 GMC Sierra 4x4 that originally came with a 4.3 Vortec. Changed everything under the hood to match the 5.7 (entire harness, and PCM). The '98 was equipped with Passlock so that

98 gmc sonoma not starting i replaced the fuel pump 3 months ago with a used one truck started right up and ran like before this vehicle model has issues with the fuel system from what i hear also ...

...98 gmc 1500.it starts but stops right after.security light is on disconnect battery for 25sec. this is a comon problem as the vehicle does not see the correct key in the ignition. two problems are ...

...problems with it starting really hard so i changed the fuel filter and it still was starting hard, excpecially after it sits a while..so i put a psi gauge on the fuel rail by the intake and noticed ...

starting problems and my speedometer works some times and sometimes it doesn't and the other day the transmission seemed to go out and will not drive or reverse Multiple symptoms Check engine lamp on