Question about 1986 Chevrolet Monte Carlo
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Posted on Jan 02, 2017
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
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
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
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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