Operation CHARM
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Mercury
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1992
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Cougar/XR7 V8-302 5.0L HO
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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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Testing and Inspection
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TS17 - Check For Air at Outlet A
TS17 - Check For Air at Outlet A
Diagnostic Test TS17:
Air Control Valve (Thermactor Bypass Valve):