Operation CHARM
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Mercury
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1992
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Cougar/XR7 V6-232 3.8L
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Pinpoint Tests
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H - Fuel Control
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H19 - Check HEGO Sensor For Short to Ground
H19 - Check HEGO Sensor For Short to Ground
Pinpoint Test H19:
