Operation CHARM
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Mercury
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1992
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Topaz V6-182 3.0L
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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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DC - Mass Air Flow (MAF) Sensor
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DC21 - Check MAF Circuit For Short to VPWR
DC21 - Check MAF Circuit For Short to VPWR
Pinpoint Test DC21: