Forum Discussion

gperky's avatar
gperky
Explorer
May 21, 2015

Do in-tank fuel pumps give any warning of impending failure/

I have a 98 Silverado and an 05 F-53 moho. I have heard of these pumps stranding folks in very inconvenient and expensive dircumstances, without warning. Should they be replaced as a precaution, while...
BurbMan's avatar
BurbMan
Explorer II
May 21, 2015
GM pumps usually fail right about 100k miles. A good rule of thumb as indicated is to not run the tank below 1/4, the pump uses fuel to keep it cool. Sometimes a failing pump will result in a rough idle or a stumble at idle. Not always, but sometimes. Some lucky guys like me have TWO fuel tanks and EACH one has has an in-tank pump....

If the pump on the '98 is original, I would replace it as preventative.

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