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Dies starts 2003 duramax starts for a few seconds then dies and will not restart have it towed to the shop they hook up the scanner and it will restart. Lasttime two days ago they replaced the fuel pump thinking that it maybe part of the problem but last night it did the same thing agian. I have had electrical problems since new, now at 236K. So far it has only done this in my driveway (three times) my drive is at a 15 degree incline.

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  • Cars & Trucks Master
  • 3,103 Answers

It may have an issue with the fuel bleeding back to the tank..does the filter have a backbleed valve in it..when the pum p fires up there is air trapped in the feeder lines to the injectors.. gotta bleed it all out before starting..crack a line loose with the key on and look for fuel to spray out..

Posted on Dec 29, 2013

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6ya6ya
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Posted on Jan 02, 2017

JULIANFIX
  • 975 Answers

SOURCE: 2001 chevy blazer

Thats exactly what it is , have the same problem with my ASTRO VAN , replace twice in 2 years average. hope this helps AJ

Posted on May 26, 2008

  • 636 Answers

SOURCE: no start on duramax at time when hot

sounds like you are loosing the fuel prime from somewhere ? Not sure if you have a lift pump on the side of the engine on that model or not? follow the fuel rails from the tank pump up, and see if it runs into a lift pump or straight to the injector pump. I would guess that you are loosing your prime, so check the line and see if you if they are wet cracked or bent. also when you changed the fuel filter did you happen to notice if the o-ring came off with the last filter or not? You may just have doubled your gasket on the filter. Sometimes they stick on the filter housing and become unnoticed.
Hope this helps.

Posted on Sep 05, 2009

Testimonial: "i think its a pump issue /but its a 07 old body style(no lift pump)had 04 that i unplugged pump on frame /it still ran from front tank/2 pumps???"

  • 524 Answers

SOURCE: I have a 2003 Duramax. While driving last night

sounds like you may have coolant in your motor

Posted on Mar 19, 2010

searcher1974
  • 229 Answers

SOURCE: 2000 Dodge Stratus SE stalling and not restarting

Has anyone checked the starter? Is the motor spinning over when its "not starting",as you say? If not,Then you need to do a battery/starter/alternator check and make sure they are all functioning properly to begin with. It burns me up when mechanics just "throw parts" at a car because they have no idea,or dont take the time to figure out whats REALLY wrong with it.

Posted on Sep 24, 2012

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