Question about 1999 Pontiac Montana

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1999 pontiac montana transport fuel problem

Replaced fuel pump and sending unit assembly in tank and can,t get van to start.checked wires and fuel pump relay still nothing.

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  • Anonymous Mar 15, 2014

    pontiac montana won't start changed fuel pump relay and fuel filter

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Replaced fuel pump and inline filter and still wont start

Posted on Dec 16, 2012

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Can you jumper the relay or find the red wire by the battery that is nit connected it will have a green connector jump it to positive and see if pump comes on

Posted on Apr 16, 2009

  • skennys2145 Jun 07, 2011

    I have found that more often than not, the problem lies in the electrical connector that goes through the floor of the van right behind the driver's seat.
    It's exposed to all sorts of **** that can short it out.
    You can try to clean-up the connections or cut off the plug and connect each wire directly using ****-end connectors.

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2 Answers

I have an 01 pontiac montana that the fueel gauge reads full all of the time until the vehicle is on empty.Do you have any sugesstions on what it is or how to fix it?


Replace the fuel sending unit and it will correct the issue. They are about 20 bucks and you will have to drop the fuel tank to get to it.

Feb 26, 2011 | 2001 Pontiac Montana

1 Answer

Gas gauge always reads full.


Hello John.
The Montana/Venture vans have a problem with the fuel gauge sending units in the early 2000's.
The only cure is to drop the fuel tank, remove the sending unit and replace it.
The fuel gauge sending unit is available separately from the fuel pump.
Thank you for using FixYa.
KL

Dec 19, 2010 | 2003 Pontiac Montana

1 Answer

I have a 2004 pontiac montana. for about two years the fuel guage would fold over and read 125 degrees when the tank is full. it woulld stay there until tank was empty and the needle would drop to empty,...


It could be a bad fuel gauge in the dash unit, but....
Usually it's "The bad".
The fuel level sending wipe arm and windings on the fuel sender wear and send erratic readings.The only cure is a replacement fuel gauge sender.
The check engine light should not be related to the erratic fuel readings.
"The good".
If you have over 200,000kms or 120,000 miles on your van you need a new fuel pump anyway,so have a complete assembly put in which will have a new fuel sender on it.

May 21, 2017 | 2004 Pontiac Montana

6 Answers

2002 pontiac montana fuel gauge


It needs a tank meter I'ts in the fuel tank

Aug 27, 2009 | 1999 Pontiac Montana

2 Answers

Fuel Gauge stuck on full


You need a new fuel level sending unit. It is the sensor in the gas tank. There have been several issues with these, and they are primarily caused by bad fuel. I would recommend replacing the fuel level sending unit, then switching fuel brands.

Jul 23, 2009 | 2000 Pontiac Montana

2 Answers

2003 pontiac montana running out of gas at half tank after fuel pump replacement


The fuel pump/tank sending unit may not be assembled or installed correctly.

If the fuel pick up portion is not positioned properly, it will not reach the bottom of the tank.

If the sending unit is faulty, you will not know the correct volume of fuel in the tank(misreading).

Take it apart and check these items.

Jul 10, 2009 | 1999 Pontiac Montana

1 Answer

Gas Gauge not working


when the fuel pump was installed the gas tank sending unit was either jammed when put back in the tank, is defective, or the sending unit was no reconnected.

Jun 20, 2009 | 1999 Pontiac Montana

1 Answer

Fuel Gauge Stuck on full reading


replace fuel pump/Fuel gage sending unit (All in one) also wire pigtail to asmbly Pontiac Montana's are prone to wire falures and shorts $300+ if done in drive way alot more if you have a shop do it!
P.S. REPLACE ASMBLY WITH AS LITTLE FUEL IN TANK AS YOU CAN...!

May 04, 2009 | 2000 Pontiac Montana

2 Answers

Gas gauge 2002 montana


you need a replacement fuel tank sending unit, the resistor part of the unit is faulty.. good luck!

Jul 06, 2008 | 2002 Pontiac Montana

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