Question about 2000 Pontiac Montana

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2001 Pontiac Montana gas gauge not working. What could be the problem?

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Most likely the fuel pump sending unit is bad and a common problem.

Posted on Sep 25, 2009

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Posted on Jan 02, 2017

Molson02536
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SOURCE: gas gauge on 2004 pontiac montana sticks

Before you start your van, and the key's are on accesory. Does your needle move? If it does, your gage is good and you have a bad ground or wire harness. Worst you could have a bad  sending unit and that is in the gas tank it self. Start with checking all the wire connection. Good luck.

Posted on Apr 06, 2009

  • 1 Answer

SOURCE: temp gauge and gas gauge not working

I had the same problem with my 2001 Pontiac Montana and the intake manifold gasket. This is a major problem with these 3.4L engines, if you are in the states I'm pretty sure there is a class action law suite against GM for this. I had my manifold gasket replaced and it was about $1000 CAD. You need to get your vehicle looked at right away as this could cause major engine damage, coolant will leak into the engine and soon enough you will be replacing that too. Good Luck

Posted on Feb 01, 2009

emissionwiz
  • 75822 Answers

SOURCE: 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.

Posted on Jun 20, 2009

seanpwright
  • 2030 Answers

SOURCE: 2001 Pontiac Montana trouble code P1133 ???

Sounds like you have a wheel speed sensor bad
P1133 reffers to your oxygen sensor tho and would not be related to the ABS/trac control systems.

Posted on Aug 27, 2009

  • 2 Answers

SOURCE: gas gauge reads full when underway. However, when

Most likely it a bad fuel level sensor on you fuel pump. You will have to replace the fuel pump as that is the only way to replace the sensor for you fuel gauge. The sensor is built into the fuel pump. The contacts on the sensor become corroded over time and cause the sensor to malfunction causing your fuel gauge to read full all the time. I have a 2001 Montana extended version that had the same problem. In order to know when I needed to fill the tank, I would completely fill it each time I put fuel in and reset my trip odometer. I would go 400 miles on the tank before I would refuel until we were able to replace the fuel pump.

Posted on Oct 30, 2009

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Sounds like at 1/4 reading,the actual reading of the fuel should be empty.Your gauge sending unit in the tank is most likely defective.Many are on these.

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Remove the dash and remove the gas gauge pod - look for burnt circuits as this is the easiest part of the equation. Unless you hit something with the gas tank [ if you did - there will be a large dent in the tank] the problem mathematically lies in the gauge/wiring and not the tank/gauge.
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Apr 04, 2010 | 2000 Pontiac Montana

1 Answer

Gas gauge reads full when underway. However, when


Most likely it a bad fuel level sensor on you fuel pump. You will have to replace the fuel pump as that is the only way to replace the sensor for you fuel gauge. The sensor is built into the fuel pump. The contacts on the sensor become corroded over time and cause the sensor to malfunction causing your fuel gauge to read full all the time. I have a 2001 Montana extended version that had the same problem. In order to know when I needed to fill the tank, I would completely fill it each time I put fuel in and reset my trip odometer. I would go 400 miles on the tank before I would refuel until we were able to replace the fuel pump.

Oct 30, 2009 | 2000 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

Temp gauge and gas gauge not working


I had the same problem with my 2001 Pontiac Montana and the intake manifold gasket. This is a major problem with these 3.4L engines, if you are in the states I'm pretty sure there is a class action law suite against GM for this. I had my manifold gasket replaced and it was about $1000 CAD. You need to get your vehicle looked at right away as this could cause major engine damage, coolant will leak into the engine and soon enough you will be replacing that too. Good Luck

Jan 04, 2009 | 2001 Pontiac Montana

1 Answer

Gas gauge on 2004 pontiac montana sticks


Before you start your van, and the key's are on accesory. Does your needle move? If it does, your gage is good and you have a bad ground or wire harness. Worst you could have a bad  sending unit and that is in the gas tank it self. Start with checking all the wire connection. Good luck.

Dec 23, 2008 | 2003 Pontiac Montana

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