76mm and no lowend power
#1
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Just got this car last week, car ran good but now doesn' t have any lowend power. I ran codes and seen it has a MAP code and a Knock sensor code. I am going to try and address these issues and see what come up with.
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If it set the SES light for a MAF code, it's probably still running the stock OS tune instead of a 2/3 bar like it should. So you're maxing out the MAF or they failed it and did some fudged up SD tune...Which is probably why it makes **** power anywhere other than in boost.
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sounds like a simple problem of the knock sensor and/or the maf going bad and pulling timing hence why its running like crap change those then post back
hope it works out man