98 gmc 350 vortes new fuel pump.truck will start .when you shut it off should it have fuel pressure on the fuel rail mien dont it bleeds off as soon as you turn the key off what could this be

98 gmc 350 vortes new fuel pump.truck will start .when you shut it off should it have fuel pressure on the fuel rail mien dont it bleeds off as soon as you turn the key off what could this be 1 Answer

is there fuel pressure at the rail when you shut the truck off.my truck does not why would it bleed off so fast?? 350 vortec.

2001 GMC Sierra 4x4 sputters and surges as soon as it hits 40 and will continue unril you pass 50 mph. If you keep into the trottle and higher rpm than idel its ok. Let off it starts again. 2 Answers

Doesn't matter the load, grade, but if you put cruise on it helps abit.

I took the bed off my GMC 1500 1990 truck and changed the fuel pump, it started fine, put the bed back on it and now it will not start, what happened? 2 Answers

the truck would not start so we took the bed off and changed the fuel pump. It started and run fine, we even drove it down the rode. After we put the bed back on the truck the truck would not start. H...

i have a 1998 gmc 4-4 when you step on the brake peddle with the key off the head lights and fuel pump comes on . what could be wroung with it ?? 3 Answers

2007 GMC Sierra 1500 will start then shut off after a second or 2. It also seems like when I hit the gas sometimes it is a little bit of a delayed reaction or jerky. Spark plug? Injector? Fuel pump? 3 Answers

2007 GMC Sierra 1500 will start then shut off after a second or 2. It also seems like when I hit the gas sometimes it is a little bit of a delayed reaction or jerky. Spark plug? Injector? Fuel pump?