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 ??

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

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.

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...

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 1989 350 5.7 TbI and I have a 96 GMC 1500 with a 305 5.0L Vortec with over 250,000 miles can I use the the heads from the Votec 305 5.0L on the 350 5.7L TBI? If so should I change the cam if so what do you recommend this is gonna be a show/driver what kind of cam and lifters do you suggest and what all do I need to do the heads (valve job, replace lifters, rockers) and what should I do to the block seeing that it only has a few miles since rebuild 3 Answers

I have a 1989 350 5.7 TbI and I have a 96 GMC 1500 with a 305 5.0L Vortec with over 250,000 miles can I use the the heads from the Votec 305 5.0L on the 350 5.7L TBI? If so should I change the cam ...