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International Automotive Technicians Network
Re: general MAF readings
Posted to Technical Discussion Forum on 1/12/2021

Alan has the correct conversion (most scan tools have lb/hr as US units). Just realize that's approximate for hot idle without any VVT "funny business" going on (that's ABOUT 600 rpm with 20" vac and 10* ignition timing). More timing = more vac and less airflo... Login to read more.