Lexus IS Forum - View Single Post - What MAF do you high hp bOost guys use
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post #14 of (permalink) Old 03-17-2017, 09:42 PM
somguy2u
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yes, maf defines what the o2 sensors should see, fuel gauge reads, vvti functions, and throttle operates. it's kind of a big deal in the IS, also important that you try and keep stock location and stock diameter piping for CEL free operation.

with a standalone, the MAP controls injection and ignition, but the maf is necessary for EVERYTHING else... that's why not many people can completely go standalone, how it's all ridiculously tied together.

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