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Ron Z.
Ron Z., - Chevy Tech -
Category: Chevy
Satisfied Customers: 18959
Experience:  18+yrs experience. State Inspector and Chevy Diagnostics
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What makes the gas gage quit working?

Customer Question

what makes the gas gage quit working?
Submitted: 2 years ago.
Category: Chevy
Expert:  Ron Z. replied 2 years ago.

When the fuel gauge is not working or is reading incorrectly, this is most commonly due to a faulty Fuel Level Sensor or the wiring to the sensor. The Sensor is located inside the fuel tank, mounted to the side of the Fuel Pump Assembly. It has a float arm that rides on the top of the fuel and the angle of the arm holding the float sends an electrical signal to the dash fuel gauge. The electrical connector and wire harness to the top of the fuel tank will need to be inspected for any loose, broken or damaged wires. If the harness checks ok, the fuel tank will need to be removed from the vehicle, the fuel pump assembly removed from the tank and the level sensor replaced. The sensor sells for around $175 and the Labor Time Guide calls for just about 2 and a half hours to complete the job. Labor rates vary from shop to shop, so what you pay for labor will effect the bot***** *****ne. For a job of this type, a "fair" labor rate can by anywhere from $85-$125 per hour. Please remember to leave a rating using the star rating system at the top of this page or accept the answer so I may be credited for this Q&A. You can ask follow-up questions any time, even after you rate or accept.