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Old 01-23-2012, 05:36 AM   #9
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Join Date: May 2011
Location: weehawken nj
Posts: 240
Poor power is usually a good indicator the mass air sensor is failing, and sometimes, you wont even have a fault code. It just wont measure enough air, and the fuel system wont enrich the mixture under a load. It may be bad enough to cause a misfire, sometimes it wont.

You may see lean tendencies on long term adaptation ( part load )...
Try swapping one in, they sell the inserts fairly cheap
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