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Old 06-03-2011, 11:56 AM   #13
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,273
While you can "never say never", to date, we have not had a car throwing 1128 and/or 1130 alone turn out to be a MAF issue, it always turned out to be either a vacuum leak or fuel system issue. A fouled MAF usually throws one of the "implausible signal" (high or low voltage) codes, often in conjunction with other codes. As the RennTech case points out, you can run the car for longer than you might expect without a MAF, as long as you stay below 4K RPM’s and don’t have any WOT excursions, before the car throws any code, and then usually pops a P0102 and/or P0112 (low signal voltage for the MAF sensor and the intake air temp sensor).
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