Operation CHARM
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Mercury
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1982
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Zephyr V8-255 4.2L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
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Quick Tests
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6.0 - 6.3 Spark Knock, Poor Performance/Mileage
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6.1, 6,2
6.1, 6,2
*** UPDATED BY TSB #862511
