Operation CHARM
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1982
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Corolla RWD L4-1770cc 1.8L (3TC)
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Air Injection
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Air Injection Control Valve
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Testing and Inspection
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Vacuum Transmitting Valve (VTV)
Vacuum Transmitting Valve (VTV)
Ensure that air flows through valve with some resistance when applied from either side of valve.