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Discussion Starter #1
96 Dodge Grand Caravan LE 3.8


Little history as might be relevant.

Prior to this issue, the vans fuel gage sometimes wouldn't work correctly and if it got near low it wouldn't start. Though if gage wasn't working correctly, maybe it was out.

Then one of the fuel pump nipples started spraying a fine spray of gas, so I replaced it with a Delphi fuel pump and new filter.

Since then if it gets low (at least according to fuel gage around 1/4 tank) it acts violently and throws P0300 code. Adding fuel resolves issue, little rough at first but returns to normal and the check engine light goes away.

Is this a bad fuel pump or could there be something else in play?
 

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The clues point to a pump or something associated with it. Short of changing the pump again you might consider dropping the tank and flushing it. May have some debris in there mucking it up.
 

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Discussion Starter #3
RIP, thank you for your reply.

When I initially replaced the fuel pump I completely drained it and made sure it was clean inside. Wiped it out, got nothing, pretty clean.
Made a point of getting fuel pump installed without getting anything in it.

I guess next step (besides flushing it) might be fuel pressure test?
 
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