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Fuel pump?

Tiny
KATRINAOCA
  • MEMBER
  • 2003 HUMMER H2
My h2 wont start after shipping, gas tank dried up and when we put 10 liters wont start anymore. A few times tried, then we fill it up full tank but still wont start does it mean we change the fuel pump? Need help :) thnk u!
Friday, September 10th, 2010 AT 12:30 AM

5 Replies

Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
Hello,

Fuel pump go out all the time in these here is a guide to help walk you through the repair with diagrams and instructions below to show you how in your car.

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Sunday, October 24th, 2010 AT 6:20 PM
Tiny
BAYLYBOP11
  • MEMBER
  • 1 POST
  • 2003 HUMMER H2
2003 Hummer H2

How do you replace a fuel pump on a 2003 h2 hummer?
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Tuesday, January 29th, 2019 AT 5:14 PM (Merged)
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
It is in the fuel tank. The tank can be lowered by first removing the shield, disconnecting lines, hoses, and electrical, and lowering, moving rearward as you go. It helps to tilt the rear of the tank down, and once you clear the axle, you can lower the front. If it has a decent amount of fuel, it also has a decent amount of weight and instability. It is not always possible, but draining the fuel is the best tip I can give.
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Tuesday, January 29th, 2019 AT 5:14 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2003 HUMMER H2
  • 130,200 MILES
Need help
My 2003 H2 Hummer is stalling as if the fuel is the issue so I changed the filter and I listened to the pump running so I ruled that out, could it be a bad fuel pump In my experience the pump goes out it stays out maybe I'm wrong
after it stalls it starts up again sometimes right away or it takes a few min. And there's no service lights popping up either
I was told that it could be the ignition switch whats your take on this
since Ive been on the net I see other hummer owners with this issue but so far no solutions
thanks, Ray Harris
ps. Solve this issue and ill show u what a donation should look like
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Tuesday, January 29th, 2019 AT 5:14 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,716 POSTS
Ray:
I would suggest checking the fuel pump pressure when the vehicle dies and won't restart. I have dealt with what we call "a lazy pump" which basically means the pump can't keep up with the demand. They usually have low fuel pressure. Check that and let me know what you find.
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Tuesday, January 29th, 2019 AT 5:14 PM (Merged)

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Related Fuel System Fuel Pump Replace/Remove Content

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When a fuel pump goes out it can do so one of two ways either it can quit and stop working or it can fail intermittently causing the engine to stall or not start.

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