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Old 06-24-2026, 05:39 AM
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andrewwynn andrewwynn is offline
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Join Date: Jun 2015
Location: Racine, WI
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Jet pump / transfer pump troubleshooting

Mahle complete. I had to modify the float to install pump only but also the float wipers fail over time so it's nice to refresh those.

4.4 cars usually only prime when you "hit start" unlike 3.0 which primes at key on.

He can use a scanner to engage pump though.

In any event: good to confirm the pump is actually running continuous but also after it shuts off it should hold.
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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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