Question about 1986 Chevrolet Monte Carlo

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Gas gauge bounces from full to empty i just filled up yesterday and now it is going from full to half to empty. so i never know how much gas i truly have

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  • sensesfail86 Jun 03, 2009

    so i need an entire new gas tank?

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  • Master
  • 580 Answers

The sending unit in your tank is bad replace it.

Posted on Jul 10, 2009

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6 Suggested Answers

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Posted on Jan 02, 2017

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mmptruck
  • 124 Answers

SOURCE: 01 s10 gas gauge goes either full or empty

Sounds to be a faulty tank sender unit, these senders use a fine coiled wire on which a brush slides along to vary its resistance.
If the coiled wire breaks midway, the only readings will be full or empty.
I think sender unit is mounted to internal fuel pump on this model (top of fuel tank)
Hope this helps, regards

Posted on Aug 08, 2008

emissionwiz
  • 76846 Answers

SOURCE: my gas gauge bounces around and will tell me its

This problem is caused by a defective fuel gauge sending unit, it is located in the gas tank.

Posted on Jun 03, 2009

  • 1 Answer

SOURCE: Fuel gauge registers empty after fill up

It sounds to me like you have a short in your wiring harness at you fuel tank. there is a plug on top of your fuel tank that controls you fuel pump and your sending unit that tells you how much fuel is in the tank. This plug can be a real p.i.a to get to on some vehicles, you may have to take the vehicle to a shop to fix it, if you are not mechanically inclined.

Posted on Mar 03, 2009

whitehorse02
  • 11 Answers

SOURCE: Seems like it's not getting enough gas

It could be your fuel pump with your car not running right, the gas gauge thing i have no clue maybe the sensor inside the tank is messed up. or it could just be your fuel filter not doing its job. Htere are a few things it could be I would say Fuel Filter, Pump and maybe a vacume (spelling) problem, I would need to be there and hear it running or drive it to really figure out what it is

Posted on Oct 21, 2008

  • 14 Answers

SOURCE: 2005 Nissan Xterra gas gauge reads empty when full of gas.

Sending unit died. can be expencive to replace since most sending units are integral with the fuel pump now. lots of labor too. Better to use the trip odometer till you can afford a day without your car and a $600.00 +labor repair bill.

Posted on Jul 07, 2009

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Seems like it's not getting enough gas


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