Question about 2001 Pontiac Aztek

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I have a 2001 Pontiac Aztek. The Fuel Guage is erratic, and jumps up and down - not reading the gas level. I hear that it may be corrosion in the wires under the driver's seat. Is there a way to bypass the problem, without having to remove the seats, carpet, and rivets and solder the wires together?

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I have neevr heard of that problem. Get access to the wires going to the gas tank and unplug the unit. See if the problem is still there.

Posted on May 29, 2011

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1 Answer

Gas gauge 2001 pontiac aztek stays on full then goes to empty


The float on the sender unit is going bad. Will need to replace the fuel pump assembly.

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If your gas gauge doesn't work then maybe your fuel pump is not reading it right and might need to be replaced

Jul 25, 2014 | Cars & Trucks

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Gas guage on 2001 Aztek only works down to 3/4 of a tank then stays there. What could be the problem?


Your sending unit is going bad, it is located inside the fuel tank. The fuel tank will have to come out from the car, not something you want to try at home. sorry.

Nov 06, 2010 | 2001 Pontiac Aztek

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Gas gauge goes up and down when I get out of car when i am sitting in car the gauge reads full even though it is not full then on hills and just sitting at a stop light it goes to empty for no reason


You most likely have a failing fuel level sending unit which is located inside the fuel tank. The sender wears a bit as the float arm moves up and down with normal fuel level variations and this wear can result in a guage that reads erratically. Many of the fuel level senders are now only sold as a part of the fuel pump module so if it turns out that it is indeed the sender you may have to replace the entire pump module. Hope this helps!

Jul 15, 2010 | 2001 Chevrolet Impala

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My 2001 Pontiac Aztek's fuel gauge works until about 1/2 way through a full tank of gas and then starts reading erratically. Example: drove 400 km on tank (tank usually yeilds approx. 520 km) and it was...


it is one of two things the fuel gauge in the tank is bad or the gauge in the dash is bad...I would check with the dealer to see if they have seen that problem before...they maybe a recall for that problem...

Nov 18, 2009 | 2001 Pontiac Aztek

1 Answer

My 2001 aztek has a fuel guage malfunction most of the time it is stuck on full but the digital read out shows that i have used 7 gallons can this be the bcm or just a censor on the fuel pump


It is most likely the sending unit in the gas tank, this senses the amount of fuel in the tank and relays that info to the gauges and computer.

Jul 14, 2009 | 2001 Pontiac Aztek

1 Answer

My 01 bonneville oil pressure gauge is showing 120 and my gas gauge is all over the place


HI, the oil pressure sending unit may be malfunctioning at this point. this will cause erratic readings. if your oil level is proper and there are no apparent oil leaks, you will need to replace the oil pressure sending unit. this will fix the erratic oil pressure readings.

Concerning the gas gauge. this device also has a sending unit that sends the correct fuel level reading to the gas gauge via wire transfer. this sending unit is located and attached to the fuel pump assembly inside the gas tank. replacing this device will fix this issue as well.

Please rate and god bless:)

Apr 28, 2009 | 2001 Pontiac Bonneville

1 Answer

Fuel gauge peggs out


Mostly likely you have a tank mounted fuel gauge. If your vehicle is pointing down hill the guage goes up or down. It is usually the fuel level in the tank that makes the float go up to tell you how full the tank is, if fuel is sloshing around then level fluctuates. I would say that if it stabilizes on level ground and at a stop, and you can get a stable fuel reading then this is more of an annoyance than a problem. If you can get an accurate reading and you do not run out of fuel you may want to leave this one alone, you will have to drop the fuel tank and replace the fuel float on top of the gas tank which can be labor intensive as well as expensive.

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1 Answer

Fuel guage reads half way and the truck runs out of gas


The float that helps detect fuel level is most likely broken. You or a mechanic will have to remove the fuel pump from the gas tank and check and possibly replace the float. Merry Christmas.

Dec 23, 2008 | 2001 Chevrolet S-10

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