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What would cause my car gas guage to give false readings?

Tiny
OBAKA
  • MEMBER
  • 2005 BUICK LESABRE
  • 14,500 MILES
My dashboard guage will indicate that I have a full tank of gas, but after driving for a spell the needle will move to empty and the indicator light comes on. I have ran out of gas quite a few times. I would like to know what I am dealing with and what can I do?
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Sunday, August 26th, 2012 AT 2:19 AM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The sender unit in the tank may have failed. You would replace the entire module to repair.

Roy
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Sunday, August 26th, 2012 AT 2:21 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
It is better to perform test first. Such conditons can be due to a faulty gauge or body control faults. Get a scan to checkfor BCM trouble codes.
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Sunday, August 26th, 2012 AT 5:51 AM

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