Question about 2000 Chevrolet Blazer

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2000 s10 blazer fuel gauge

I recently replaced my fuel filter and since doing this my fuel gauge has been pegged above the full line. Any solutions???

Posted by Anonymous on

  • t_edwards01
    t_edwards01 Dec 26, 2012

    Ihave a 2000 s10 also that the fuel gauge fluctuates and the low fuel light comes on when full. Any suggestions?

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Anonymous

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  • Master
  • 1,985 Answers

Check to verify you didn't bump or unplug wire connections to fuel pump ,they are beside the fuel filter

Posted on Jan 29, 2010

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1 Answer

2000 blazer problems


Good day
You have to look in under the dash and make sure the connections at the back of the cluster is in place. If that is all good then check the fuse box and make sure all fuses are in place and working correctly.
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did you recently change the fuel pump? If so you needed to change the wire harness thats attached to the fuel pump, then if not, your floater need to be replaced inside your fuel tank.
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Pump runs... go on to #2...

2. check the gas guage. is the gauge reading in the normal area it would read in or is it way way off like WAY above full or way below empty? This is a sign the electrical connection at the pump is plugged in backwards and the pump is spinning the wrong way and not picking up the fuel... (This is easy to get plugged in backwards inside the tank when installing the new pump)

3. Check for feed, return and vent lines being installed wrong where they attach to the tank... they can easily be hooked up wrong and fuel is either pumped up in to the return line or pumped in to the fuel tank vent line..

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