Question about 2002 Isuzu Axiom

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2006 Chevy Trailblazer fuel gauge stays on empty

My fuel gauge no longer works. Even when the vehicle (V6 engine) is completely full the gas gauge reads empty.

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  • Anonymous Mar 25, 2014

    had to get a new fuel pump, once the person changed it out for me, my gas gauge no longer works. IDK if its something I could fix myself or what.

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It requires a new fuel tank sensor that is $600 for the part.

Posted on Aug 28, 2009

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Could be a
1. Fuse - not likely, I'd expect other instrument panel problems.
2. Broken wire from fuel gauge
3. Bad fuel sender in fuel tank. Normally requires dropping the tank.

Vehicle is not that old, would think it is still under warranty?

Posted on Jul 31, 2009

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The fuel level sensor is bad

Posted on Nov 06, 2012

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I have the exact same problem, the dealer wants $112 just to look at it, but they say more than likely is the sending unit... i'm just gonna leave it alone. at 20mpg on a 18 gal tank i figure i'll put in gas around 300 miles and it'll be safe

Posted on Oct 12, 2009

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Posted on Jan 02, 2017

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1 Answer

I have a 2007 Chrysler Pacifica with 63,000 miles. It was a 1 owner (prior to me) & was well take care of with regular maintenance. The gas gauge will Not go above the 1/2 mark when filled completely full....


I do not own a pacifica but I do know quite a bit about cars and the digital read out gets in info from the gas gauge. so if the gas gauge is incorrect so will be the read out. I would start at the sending unit for the fuel gauge I bet you will find your problem there. The sending unit is most likely located in the gas tank

Feb 24, 2015 | 2007 Chrysler Pacifica

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My fuel gauge floats from full to empty when I stop at a light! And its stays on empty until I drive for about five minute why is that? I can't get an accurate fuel reading!!


I have the same vehicle and my car actually was full of gas, registered empty & left me on the side of the road..It was the sensor in the fuel line that had to be replaced.

Feb 03, 2012 | 2003 Buick Rendezvous

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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.

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Fuel gauge is almost working backwards


The mechanic should adjust the the leveling of the fuel gauge .it will not go on the towards the empty mark unless it is adjusted to the right mark. To see if the engine is full or not .than you sir .

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1993 Jeep Grand Cherokee gas gauge reads empty but tank is full.


Fuel level sending units are known to go bad on these.

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Even with a full tank my 2005 Envoy XUV fuel light stays on and fuel gauge marks empty


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Gas gauge reading empty even when tank is full


Usually if the gas gage does not work yes it is true it may be the sensor if it is electronicly controlled. the sncor will more than likley be in the tank. here is how to remove your gas tank.

  1. Before servicing the vehicle, refer to the precautions section.
  2. Relieve fuel system pressure.
  3. Drain the fuel tank.
  4. Remove or disconnect the following:
    • Negative battery cable
    • Fuel filler and vent hoses
    • Fuel tank skid plate
    • Fuel tank wiring connectors
    • Fuel supply and return lines
    • Fuel tank
    • Fuel pump assembly
      7924bg17.gif Fuel pump assembly mounting
To install:
  1. Install or connect the following:
    • Fuel pump assembly
    • Fuel tank. Tighten the bolts to 27 ft. lbs. (36 Nm).
    • Fuel supply and return lines
    • Fuel tank wiring connectors
    • Fuel tank skid plate
    • Fuel filler and vent hoses
    • Negative battery cable
  2. Start the engine and check for leaks.

Apr 16, 2009 | 2002 Isuzu Axiom

1 Answer

Fuel Gauge Not Reading


sounds like the float isnt sitting proplery in the tank

Apr 16, 2009 | 1997 Chevrolet K1500

2 Answers

Fuel gauge not working all the time.


This is a normal concern.
The instrument cluster uses 4 different operating modes to calculate the fuel level:
Anti-slosh (default mode)
Key OFF fueling
Key ON fueling
Recovery
After a fuel fill up, the time for the fuel gauge to move from empty (E) to full (F) ranges from 2 seconds to 55 minutes depending on which operating mode the fuel gauge is in.
The default fuel gauge mode is called the anti-slosh mode. To prevent fuel gauge changes from fuel slosh (gauge instability due to changes in fuel sender readings caused by fuel moving around in the tank), the fuel gauge takes approximately 55 minutes to go from empty (E) to full (F).
The key OFF fueling mode (2 seconds to read empty [E] to full [F]) requires 3 conditions be met:
The key must be in the OFF position throughout the entire refueling of the vehicle.
At least 15% of the vehicle's fuel capacity must be added to the fuel tank.
The instrument cluster must receive a valid key ON fuel sender reading within 1 second of the key being put into the RUN position. The key ON sample readings are considered valid if the fuel sender reading is between 15 ohms ± 2 ohms and 160 ohms ± 4 ohms.
If these conditions are not met, the fuel gauge stays in the anti-slosh mode, which results in a slow to read full (F) event.
The key ON fueling mode (approximately 90 seconds to read empty [E] to full [F]) requires 3 conditions be met:
The transmission is in PARK (P).
The key is in the RUN position.
At least 15% of the vehicle's fuel capacity must be added to the fuel tank.
In key ON fueling mode, a 30-second timer activates after the transmission is put into the PARK (P) position (automatic transmissions). When the 30-second time has elapsed and at least 15% of the vehicle's fuel capacity has been added, the fuel gauge response time is 90 seconds to read from empty (E) to full (F). When the transmission is shifted out of PARK (P), the fuel gauge strategy reverts to the anti-slosh mode. The key on refueling mode prevents slow to read full events from happening if the customer refuels the vehicle with the key in the RUN position.
Recovery mode is incorporated into the instrument cluster strategy to recover from a missing fuel level input during a refueling event. Missing fuel level inputs result from intermittent opens in the fuel sender or its circuits. Recovery mode (empty [E] to full [F] approximately 20 minutes) is initiated when the following 2 conditions are met:
The instrument cluster is in the anti-slosh (default) mode.
The actual fuel level in the tank is greater than what is being displayed by the fuel gauge

Feb 18, 2009 | 1983 Mercury Grand Marquis

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