Operation CHARM
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Mercury
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1990
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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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Ignition System
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Testing and Inspection
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Pinpoint Tests
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Test B - Continuous Memory Codes 18 and/or 49
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Steps B1 Through B4
Steps B1 Through B4
Codes 18 or 49 Steps B1 thru B4:
