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After replacing fuel pump car will not stay running

Tiny
RADELL GREGORY2
  • MEMBER
  • 2007 BUICK RANIER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 110,000 MILES
Put a new fuel pump in. Now my truck starts but cuts off.
Thursday, June 6th, 2019 AT 7:57 PM

17 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

Did it do this prior to the repair?

Why did you replace the fuel pump?

Is the theft or security light on when it starts?

Roy
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Friday, June 7th, 2019 AT 2:54 AM
Tiny
RADELL GREGORY2
  • MEMBER
  • 9 POSTS
It worked fine before I did the repair. I replaced the fuel pump because the float wasn't working. My gas gauge wouldn't read only like that comes on as a check engine light but it's on when you turn the key but but did not start the car.
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Friday, June 7th, 2019 AT 3:29 AM
Tiny
ASEMASTER6371
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Okay, Is the theft light or security light on?

https://www.2carpros.com/articles/how-to-reset-a-security-system

Roy
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Friday, June 7th, 2019 AT 3:34 AM
Tiny
RADELL GREGORY2
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No.
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Friday, June 7th, 2019 AT 3:35 AM
Tiny
ASEMASTER6371
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Okay, then you need to test the fuel pressure to be sure the pump is good.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Roy
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Friday, June 7th, 2019 AT 3:38 AM
Tiny
RADELL GREGORY2
  • MEMBER
  • 9 POSTS
I test the pressure and it's reading about 15 with the key in the on position.
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Friday, June 7th, 2019 AT 9:36 AM
Tiny
ASEMASTER6371
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15?

You need a fuel pump.

Roy

Fuel Pressure (Key ON, Engine OFF). 345-395 kPa (50-57 psi)
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Friday, June 7th, 2019 AT 9:48 AM
Tiny
RADELL GREGORY2
  • MEMBER
  • 9 POSTS
Is it possible that I could of bought a defective fuel pump? The one I put in is brand new.
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Friday, June 7th, 2019 AT 10:21 AM
Tiny
ASEMASTER6371
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Yes, it is very possible. It happens more than you know.

As long as you do not buy a Carter fuel pump, you are good.

Roy
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Friday, June 7th, 2019 AT 11:43 AM
Tiny
RADELL GREGORY2
  • MEMBER
  • 9 POSTS
I exchanged my fuel pump for a new one. I got fuel pressure now, my gas gauge works but I still have the same issue cranks runs for a couple seconds then cuts off.
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Friday, June 7th, 2019 AT 2:55 PM
Tiny
ASEMASTER6371
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What is the pressure to be sure?

Roy
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Friday, June 7th, 2019 AT 2:59 PM
Tiny
RADELL GREGORY2
  • MEMBER
  • 9 POSTS
With the key on about 55.
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Friday, June 7th, 2019 AT 3:01 PM
Tiny
ASEMASTER6371
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Okay, did you do the reset procedure I sent you for the key?

If you had the battery cable off, the key may have forgotten the password.

Roy
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Friday, June 7th, 2019 AT 3:03 PM
Tiny
RADELL GREGORY2
  • MEMBER
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Don't know how to do the reset procedure.
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Friday, June 7th, 2019 AT 3:07 PM
Tiny
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I attached a guide for you way back. Open the guide and follow the instructions.

Roy
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Friday, June 7th, 2019 AT 3:13 PM
Tiny
RADELL GREGORY2
  • MEMBER
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I did what you told me and now my truck is fixed. Key needed programmed. Thanks a lot for help I really appreciate it.
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Friday, June 7th, 2019 AT 6:45 PM
Tiny
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You are welcome.

Always glad to help.

Roy
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Saturday, June 8th, 2019 AT 4:01 AM

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