Mechanics

FUEL GAUGE

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
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Green6977
August 13, 2012.



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

Roy

ASEMaster6371
Aug 13, 2012.
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

Tiny
Green6977
Aug 13, 2012.
Did you check for voltage to the rear module with the key on?

Roy

ASEMaster6371
Aug 13, 2012.
No we jus swapped the assembly

Tiny
Green6977
Aug 13, 2012.
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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ASEMaster6371
Aug 13, 2012.

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