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10-24-2011, 07:26 PM
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#19 |
 Drives: 1nz-fe Join Date: Apr 2009
Location: SoCal
Posts: 4
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ECU will learn by how much to offset MAF sensor readings that are affected by different intake runner diameter. The Long Term Fuel Trim value will eventually be in the plus territory since ECU will assume that MAF does not measure as much air as is actually entering the motor.
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