2003 Duramax diesel to restart after it has run out of fuel? - Chevy and GMC Duramax Diesel Forum
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post #1 of 4 (permalink) Old 07-29-2009, 06:15 AM Thread Starter
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2003 Duramax diesel to restart after it has run out of fuel?

How do you get a 2003 Duramax diesel to restart after it has run out of fuel?
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Last edited by superstar; 07-31-2009 at 01:05 AM.
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post #2 of 4 (permalink) Old 07-29-2009, 07:08 AM
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You'll need to pump the primer under the hood. It's on top of the fuel filter housing (passenger side of the motor, towards the back), and is a cylindrical metal button. There is a black bleeder screw next to it, loosen the screw and pump the primer until fuel comes out of the screw. Then close the bleeder screw (careful, it's plastic) and pump until the primer gets firm. Then try starting it. You might have to do this a couple times to get all the air out of the lines. And be prepared to do a lot of pumping on that primer button!

2004 LB7
Tastefully modded
Lots of miles
Built by Husker Diesel
1995 Chevy 2500 - 12v/NV4500 Swap
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post #3 of 4 (permalink) Old 07-29-2009, 07:09 AM
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x2 what he said ^^^

2003 GMC LB7 CC/SB
EFI by IdahoRob, Extreme Prejudice Built Trans, SDP Twins, UL-II Gauges, 5" Straight Pipe, PPE Boost Valve, FASS Fuel Pump (150GPH), Modded Intake Horn
12.78 @ 105, 657HP
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post #4 of 4 (permalink) Old 07-29-2009, 08:26 AM
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thats where lift pumps work great.

2003 GMC 2500HD- 4in. straight exhaust, intake, Suncoast Stage IV, Air Dog 150 lift pump, BD Supermax turbo, Isspro EV2 gauges, BD manifold, 6 in. RCD lift, EFI Live w/DSP 5 tuned by Xtreme FX Tuning.
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