Question about 2001 GMC Jimmy

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My fuel guage will go from full to empty a few times while at an idle or with the key on engine off thensettle into the correct level. It happens erratically.

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  • 29 Answers

Sounds like a loose connection somewhere could be ground connection or corrosion problem check connections and clean if that does not solve could be sending unit getting ready to fail replace as nessary

Posted on Oct 13, 2013

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Posted on Jan 02, 2017

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SOURCE: Engine lopes while idling or idles erratically

1.vacuum leak
2.leaking egr or plugged pcv valve
3.ignition components damp or damaged
4.faulty or incorrectly gapped spark plugs
5.faulty plug wires
6.faulty emmission components
7.air filtr clogged
8.leaking head gasket
9.timing chain or gears worn
first check air filter then check timing with a light make sure its steady if it bounces around the your chain/belt is needing replaced check your wires for frays or just replace them cause their 10 years old

Posted on Feb 10, 2009

  • 226 Answers

SOURCE: low coolant level message. 2003 gmc sierra 4x4

you may be low on coolant either the overflow bottle or in the radiator both have sensors on them

Posted on Aug 18, 2009

omaromid
  • 332 Answers

SOURCE: Low fuel light On

The problem is with the fuel level sensor, it's attached with the fuel pump and located inside the fuel tank, sometimes the water and other impurities inside the fuel causes this problem, solution is to get the fuel pump opened by a professional and the problem might be solved by some simple cleanup. Hope it helps and comment if you need more advice. Please don't forget to rate the answer, it helps me, thanks!

Posted on Mar 29, 2010

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2 Answers

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bad ground or connection to level connection at pump or level float stuck /jammed or connection problem inside tank

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Fuel gauge is on empty and the low fuel light is on, but the tank is full


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Apr 15, 2009 | 1998 Chevrolet Blazer

1 Answer

Fuel guage reads 1/4 at all times even when full. How do I repair


1.If the needle on the guage is stuck. you can try tapping the guage to see if the needle moves or turn the ignition on and off a few times to see if you can get it to move. If the guage drops to empty when you turn off the ignition you know that its not the guage. (note that the guage does not drop to zero when ignition is off with all cars of this age).

2. The problem could be with the sensor in the fuel tank itself. Rocking the vehicle up and down from the rear (you will need help doing this) may free the sensor level indicator ball in the tank.

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