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2005 GMC Envoy: the fuel gauge..bounces..accelerating..awhile…

the fuel gauge on my...
the fuel gauge on my 2005 GMC Envoy bounces around....when accelerating it reads about right but when I brake it goes quickly to empty and will oftenn stay there awhile. what is the problem and what is the fix? Thanks.
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Answered in 7 minutes by:
7/11/2010
Ken
Ken, ASE Certified Technician
Category: GM
Satisfied Customers: 754
Experience: GM & SATURN Factory Trained Technician, 25 Years Experience
Verified
HI and thanks for your question! Most of the time I find a bad fuel level sensor in the gas tank. They get a open spot in the sensor and that makes the gauge read empty. The fuel tank will need to be dropped and the fuel pump module taken out. Then the fuel level sensor can be replaces. Ken
Ken
Ken, ASE Certified Technician
Category: GM
Satisfied Customers: 754
Experience: GM & SATURN Factory Trained Technician, 25 Years Experience
Verified
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Take it in with the tank at 1/4. That way they don't charge you to drain the tank. That will help save you money. Ken

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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