fuel gauge

2001 CHEVROLET BLAZER
123,000 MILES
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GREEN6977
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  • 25 POSTS
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
Aug 13, 2012 at 8:33 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
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what is the original issue and why did you replace those parts?? does it run??

Roy
Aug 13, 2012 at 8:43 AM
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GREEN6977
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  • 25 POSTS
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
Aug 13, 2012 at 9:03 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
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did you check for voltage to the rear module with the key on???

Roy
Aug 13, 2012 at 9:24 AM
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GREEN6977
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  • 25 POSTS
No we jus swapped the assembly
Aug 13, 2012 at 9:33 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 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
Aug 13, 2012 at 9:46 AM
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