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Home >> Ford >> 1990 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Air Injection Systems >> THERMACTOR Air System

THERMACTOR Air System

All systems use same basic components: air supply pump, air by-pass valve, filter, check valve(s), air control valve, air manifold and air hoses.

In Managed Thermactor Air (MTA) system, air can be by-passed to atmosphere by a thermactor air by-pass valve and/or directed near exhaust manifold or catalytic converter. Some models may use a combined air by-pass/air control valve.