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Vehicle dies

Tiny
ALTONLANCE
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 130,000 MILES
I have a 2004 trailblazer that I have recently replaced the fuel pump, and fuel filter in. I can drive it for approx. 5 minutes and it will die. I can let it set for a few then it'll restart, then it will do the same thing over again; (start, drive, die, restart). What is it's problem?
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Saturday, March 23rd, 2013 AT 10:41 AM

17 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Is the check engine light on? Code?

What is the fuel pressure?

Roy
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Saturday, March 23rd, 2013 AT 11:24 AM
Tiny
ALTONLANCE
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No the engine light is not on and it was only carrying 5 lbs. Fuel pressure
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Saturday, March 23rd, 2013 AT 3:26 PM
Tiny
ASEMASTER6371
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Thats your problem. The pressure needs to be much higher around 40 lb.

Roy
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Saturday, March 23rd, 2013 AT 4:02 PM
Tiny
ALTONLANCE
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  • 10 POSTS
What do I need to do to bring the fuel pressure up? Could it be the regulator, or electrical? Or could my fuel rails need cleaned?
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Saturday, March 23rd, 2013 AT 6:01 PM
Tiny
ASEMASTER6371
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You need to replace the fuel pump module and filter.

Roy
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Saturday, March 23rd, 2013 AT 6:07 PM
Tiny
ALTONLANCE
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  • 10 POSTS
Where's the fuel pump module located at?
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Saturday, March 23rd, 2013 AT 6:34 PM
Tiny
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Inside the gas tank. It has to be dropped to gain access to the pump.

Roy
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Saturday, March 23rd, 2013 AT 6:37 PM
Tiny
ALTONLANCE
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And what does the fuel pump module look like?
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Saturday, March 23rd, 2013 AT 6:37 PM
Tiny
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When you get the new one, you will see. There is an ring that holds it in, 2 fuel connections and a harness. Then lift it out.

Roy
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Saturday, March 23rd, 2013 AT 6:44 PM
Tiny
ALTONLANCE
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Thats been replaced.
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Saturday, March 23rd, 2013 AT 8:55 PM
Tiny
ASEMASTER6371
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Ok, it still may be bad if the info you gave me is correct. I dont care if it was replaced yesterday, it could still be bad

Roy
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Saturday, March 23rd, 2013 AT 8:57 PM
Tiny
ALTONLANCE
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That's what the auto parts place and I call the fuel pump. What else can it be?
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Saturday, March 23rd, 2013 AT 8:59 PM
Tiny
ALTONLANCE
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I understand it could be bad if it was replaced yesterday or an hour ago, but it runs, you can hear it. Its doing what its suppose to be doing. Do you have any other ideas.
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Saturday, March 23rd, 2013 AT 9:29 PM
Tiny
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It may be running but producing no pressure, therfore it has failed. This needs to be fixed first.

Roy
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Saturday, March 23rd, 2013 AT 9:31 PM
Tiny
ALTONLANCE
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Ok. This will be the 4th one that I've replaced in it in a weeks time
should I look somewhere else for the problem?
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Saturday, March 23rd, 2013 AT 10:35 PM
Tiny
ALTONLANCE
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For an fyi the fuel regulator is bad not the pump or the filter if the regulator is bad it will also cause the vehicle to carey low fuel pressure
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Saturday, March 23rd, 2013 AT 11:08 PM
Tiny
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4th pump? Thats new information.

You may have to have the tank cleaned out. Debris in the tank may be failing the pumps.

Roy
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Saturday, March 23rd, 2013 AT 11:10 PM

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