E46Fanatics - View Single Post - The pesky 3% LT fuel trims
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Old 02-15-2020, 03:22 PM   #4
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Join Date: Nov 2010
Location: Baltimore
Posts: 1,790
My Ride: E36/8 3.0i, E46 ZHP
when you tracked down your soft failing maf what gave it away? from my understanding, a soft failing MAF will underreport the amount of air coming in, so if you were to watch the fuel trims, they would become notciably more positive the higher the RPM correct?

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