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April 05, 2007, at 02:43 AM
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The Mass Air Flow sensor tells your ECU how much air is being pulled into the engine. It is typically measured with a sensor placed upstream of the turbocharger (a draw-through? setup) but can also be measured with a sensor placed downstream of the turbocharger, usually right before the intake manifold (a blow-through? setup).
- MAF calibration table.
- Purpose of “big MAF” housings.
- Details of how the MAF sensors work.