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Old 09-22-2011, 03:40 PM   #46
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Join Date: May 2011
Location: Marlton, NJ
Posts: 316
My Ride: e92
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As far as i know if the car performs better with MAF unplugged that means that u either have bad maf or vacuum leak. Dude at firestone gave me a list of what can cause 1188 and 1189.
1. Leaking CCV
2. Dirty Fuel Injectors - (i actually bought today chevron techron fuel system cleaner, heard a lot of good stuff about this cleaner and it's gonna be first time i'm using it )
3. Weak MAF
4. Leaking Unmetered Air.

Also MAF reading should be 3.5-5.0 g/s at idle. my reading was 4.27g/s
And fuel pressure test reading was 55 (i believe it's normal)

Hope that helps. Dont remember if i asked u, did u take a look at your lower boot?
Originally Posted by Arsevader
Sorry to hear about your mirror. This is what happens when you don't change your mirror fluid at the recommended intervals.
For Sale: 1. OEM used headlights and corners, see link
2. 2 brand new Bosch post cat oxygen sensors

Last edited by avglushk; 09-22-2011 at 03:43 PM.
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