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COULD HAVE BAD FUEL LEVEL SENSOR OR IF IT DOSE NOT HAVE SENSOR THE SENDING UNIT ON THE MODUEL IS BAD AND THE WHOLE MODUEL NEEDS TO BE REPLACED.

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Q: Why wood gas gauge indicator jump all over the place in a 2000 blazer?
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Check gauge light on 2000 Chevy blazer?

The check gauge light on a 2000 Chevy blazer could be several things. The oil could be low or the other fluids may be low. Take notice of all the gauges. One or more may be out of its normal parameter notifying you there is a problem.


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