What would make the engine ans full pump stop work, when I hit the brake, the truck shuft dnow

Asked by lostguy Jul 15, 2014 at 08:18 PM about the 1998 GMC Sierra 1500

Question type: Maintenance & Repair

Here goes  This been driving me nuts.  2 new pumps. in, in 6 mons. think was bad, But not., It started as a on /off then, Only did to some times. When  I hit the brake my enganin would die.   Did start right back up. But now I  hit the brake, kiils the engine, Also I don't hear the fuld pump. Some time if you let the truck set 3 or 4 hours, I whould start, But  now  it  will not.

3 Answers

Eos_388 answered 10 years ago

Sound like you need to trace some circuits. Something is grounding out where it shouldn't check on line for TSB's technical service bulletins or recalls. Otherwise have a certified ase tech tech a look at the body module for codes and or trace the problem.

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