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1999 Chevrolet Silverado 1500

 

Question: WHAT IS CAUSE OF ERRATIC FUEL GUAGE?

Question

DAVTAY31, 5.3L V8, Heflin, LA, February 02, 2012, 12:30
 Rookie

GUAGE GOES TO EMPTY EVERY TIME TANK IS FILLED. MAY SHORTLY GO TO FULL OR STOP ANYWHERE IN BETWEEN. IS ACCURATE MOST OF TIME, BUT CAN FLOP AROUND UNDER ANY CIRCUMSTANCE.

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  • Answer #1

    Greg's Orange Auto (8395 Answers) , Orange, CA - (714) 361-9355
    globalhelper February 02, 2012, 12:53
     Master

    YOUR SENDING UNIT IS MALFUNCTIONING. IN THE TANK YOU HAVE A FUEL PUMP AND A SENDING UNIT I REC YOU CHANGE BOTH AT THE SAME TIME

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  • Answer #2

    ttcurtis February 03, 2012, 00:47
     Enthusiast

    FUEL PUMP OR FUEL REGULER

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  • Answer #3

    vraig November 19, 2012, 17:53
     Rookie

    connector on fuel pump sending side,will eventually lead to fuel pump failure.GM is aware but does't care.New after market pump will have updated connector and works perfect.

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