FUEL GAUGE

  • Tiny
  • green6977
  • 2001 Chevrolet Blazer
  • 123,000 miles

Replaced pump and sending unit and still nothing. Check engine light started flashing p0461 and 0463 codes but I thought thst sensor was the sendung unit

Monday, August 13th, 2012 AT 3:33 PM

5 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

What is the original issue and why did you replace those parts? Does it run?

Roy

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Monday, August 13th, 2012 AT 3:43 PM
  • Tiny
  • green6977
  • Member

Gauge hasnt worked in almost 2 yrs I was waiting on pump to go bad before brfore taking down fuel tank. But it did and we just replaced them both because they r made together

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Monday, August 13th, 2012 AT 4:03 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Did you check for voltage to the rear module with the key on?

Roy

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Monday, August 13th, 2012 AT 4:24 PM
  • Tiny
  • green6977
  • Member

No we jus swapped the assembly

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Monday, August 13th, 2012 AT 4:33 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

If you have your old unit, match up the wire for the connector to the sender and check for voltage to that wire at the connector for the fuel pump module.

Roy

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Monday, August 13th, 2012 AT 4:46 PM

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