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Originally Posted by britincanada
Hi there ive got a gmc jimmy 1999 4.3ltr 4 door 4x4
ive had 3 fuel pumps in 4 months the story goes like this
I shut it off then tried to restart and it wouldn’t start .The engine was cranking over but didn’t seem to be getting fuel.
When we banged on the gas tank it started.
Number 1 fuel pumps installed.
Seem to be ok for 2 mth then same again
I shut it off then tried to restart and it wouldn’t start .The engine was cranking over but didn’t seem to be getting fuel.
When we banged on the gas tank it started
Number 2 fuel pumps installed and fuel pressure regulator, alternator and battery
Seem to be ok for 2 more mth then last night it did it again I drove 1 mile
Went for a beer came back
Tried to restart and it wouldn’t start .The engine was cranking over but didn’t seem to be getting fuel.
I called CAA tried to jump it no joy so he banged on the tank and it started
Number 3 fuel pumps installed today.
This is driving me nuts any idea what could be making the pumps fail
im thinking there’s an underlying cause to this but what
? am i going to be putin numer 4 in in 2 mth
All 3 pumps where acdelco pumps
The gas tank was cleaned out so no garbage in the tank
Any help would be good thanks britincanada
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All ways keep a 1/4 tank or more fuel in tank.
Was the pumps checked for being bad out or just replaced?
As said the wiring plug in can be a problem.
Always check things out before replacing.