Fuel pump, or not?
Starting Member
Joined: Jun 2010
Posts: 107
From: Fairmont, MN
Well, that's normal, but it also is a known problem on the second generation Blazer. It's so well known that GM made the fuel sender a separate part when it was originally part of the fuel pump assembly and replaced only by replacing the fuel pump.
BF Guru
Joined: Dec 2006
Posts: 6,594
From: Fort Worth,Texas
Super Member
Joined: Jan 2009
Posts: 1,349
From: Kerrville, Texas
Your gas gauge is going nuts because you utilized a used pump...
Once the resistor for the sender unit dries out from being pulled out of the tank and exposed to the atmosphere, they almost always act up.
This is a very common problem even with Blazers that are just ran low on gas all of the time.
Once the resistor for the sender unit dries out from being pulled out of the tank and exposed to the atmosphere, they almost always act up.
This is a very common problem even with Blazers that are just ran low on gas all of the time.
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