Question about 2002 Buick Rendezvous

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Having problems with the fuel guage on 2002 Buick Rendevous. The tank is full then go about 10 miles then the low fuel light comes on and gauage hand goes to empty (gas was just put into the vehicle to a full tank). It this the fuel pump, a sensor or something else? Thanks

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Hi, your fuel pump is fine, its the sending unit(module). its located inside the fuel tank. its part of the fuel pump assembly and, you will need to replace this device. Its malfunctioning at this time.

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Posted on May 09, 2009

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This is a common problem. you can purchase a new fuel level sensor from the dealer, or get the complete fuel pump unit after market. the sensor is cheaper than the unit, obviously, but if you have over 100k miles it would probably be better to get the unit. that can save you money in the long run. what happens is the pivot on the sensor wears and allows the contacts to lose connection at the variable resistor (potentiometer) , sending the incorrect signal to the guage. on some models you can lay down the rear seat, pull up the carpet in the trunk and there is an access panel you can change it through. on other models you have to drop the gas tank...hope this helps you...... dustang

Posted on May 09, 2009


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