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Old 11-15-2016, 11:19 AM   #1
khangle
Scooby Newbie
 
Member#: 359370
Join Date: Jun 2013
Location: san jose, california
Default Car runs better with maf unplugged! Help!?

Hoping someone can help me out!!

The other day i was driving my car to get some food, after i got my food and started my car it could barely hold idle, and would not rev at all. At full throttle it would go to 2k and die.
However when i unplug the Maf sensor it is able to idle and rev perfectly fine!

Replaced the maf sensor, and swapped mafs with 3 other people, still has the same problem with other mafs.

There are no boost leaks.
And have done a fuel pressure test, everything seems to check out.

Was able to plug the car into a computer to see what the ecu was doing and is cutting fuel by 25%.

Not sure what else to test, or look for!
If anyone can lead me in the right direction that be awesome!
Thanks,
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Old 11-15-2016, 08:21 PM   #2
oki5
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Member#: 454214
Join Date: Sep 2016
Default

Have you checked the IAC? any pending codes?
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