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International Automotive Technicians Network
Fuel Trim and IAC
Posted to Technical Discussion Forum on 3/29/2001

>I am not sure if this subject has been covered yet for I am a new member of IATN.



>Can we use IAC and FT to diagnos problems at idle? > Example: FT=25% and IAC=5 most probable cause large vacuum leak. > so what about FT low,IAC low? > FT low... Login to read more.