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Old 06-02-2015, 01:12 AM   #1
Scooby Newbie
Member#: 396192
Join Date: Jul 2014
Default lag between 4and5krpm -> sec air admin pump?

hello 2010 wrx wagon,

pulled well idle to 4000, then 4 thru 5 kinda pulled less, 6 to redline seemed to come back online.

eventualy p0410 appeared, pump doesnt pump at all when plugged to 12 volts. im guessing it's friend.

i plugged the hole where the pump connected... strangely the car pulls again better thru 4 to 5. im guessing that those air admission solenoids where letting air move around (thru the pump and into the cat) now that ive plugged the pump this cant happen anymore (even if the solenoids remain open).

has anyone of you heard of similar problems?
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Old 06-02-2015, 01:35 AM   #2
Uncle Scotty
Scooby Guru
Member#: 16200
Join Date: Mar 2002
OK buy Nates beans


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