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Prizm L4-108 1.8L DOHC VIN 8 MFI
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Scan Tool Data Definitions - Powertrain Systems
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IAC Duty Cycle
IAC Duty Cycle
The parameter indicates the opening of the by-pass air passage in terms of percentage. The opening of the by-pass air passage determines the amount of air flowing through the by-pass air passage and is controlled by the IAC motor.