Question about Cars & Trucks
Whenever I switch on the car, the fuel gauge indicates that the fuel tank is full even when the fuel is very low in the tank. What causes the fuel gauge to give me wrong readings? How can I fix this problem with the fuel gauge? I will really appreciate your help. John Tety from Tanzania.
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Posted on Jan 02, 2017
Gm has a real problem with fuel tank sending units. That is what is wrong. You need a fuel tank sending unit. You can only get them aftermarket with the whole fuel pump module, but you can buy them seperate if you buy it from the dealer.
Posted on Mar 08, 2009
I agree with philipk and I might consider a different shop since separating the level sender from the gauge isn't rocket science and only requires a basic meter to check the integrity of the sender. If it checks bad, it will still cost a bit of labor (the sender isn't expensive; <$50 US) but since it is located inside the gas tank and is rarely removable without dropping the whole gas tank, expect some labor costs. The cost of replacing the instrument cluster would be far greater though if the sender checks out OK.
Posted on Aug 21, 2009
Testimonial: "thanks for your help. nice to go into the shop armed with some info! "
Youre gauge is controlled by a plunger in the fuel tank which is attached to the sensor and the fuel gauge. it sounds like when the plunger goes down half way its either getting stuck down lower then it should. Needs replacing. Any mechanic can do this install for you.
Posted on Aug 27, 2009
if the fuel pump is all in-tank; the sending unit built in to the fuel pump is most likely malfunctioning; if so, this will require removal and replacement of the entire fuel pump, sometimes expensive, others not so much
Posted on Oct 06, 2009
Testimonial: "thank you very much for the help"
Sorry to say,but the fuel sending unit is the problem,the fuel tank will have to be lowered out of the vehicle to replace the unit.If the fuel sending unit is not available by itself you will have to replace the whole fuel pump assembley.
Posted on Oct 14, 2009
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