Operation CHARM
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1986
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Golf GTI L4-1781cc 1.8L SOHC (HT)
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Tune-up and Engine Performance Checks
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Air/Fuel Mixture
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Technical Service Bulletins
Air/Fuel Mixture: Technical Service Bulletins
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CIS With OXS System - New Checking/Adjusting Procedures
Overview
Idle Adjusting
OXS Duty Cycle & Emission Control Information
Duty Cycle Valve, Control Unit
Oxygen Sensor, Checking