Operation CHARM
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Mercury
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1986
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Cougar/XR7 L4-140 2.3L SOHC Turbo
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Testing and Inspection
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Pinpoint Tests
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SG: Speedo Reads Constantly Too High or Too Low
SG: Speedo Reads Constantly Too High or Too Low
Test SG0 - SG3:
