Operation CHARM
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Mercury
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1987
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Cougar/XR7 V8-302 5.0L
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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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FB: Instantaneous Fuel Economy Always 0 Miles/gal
FB: Instantaneous Fuel Economy Always 0 Miles/gal
Test FB0 - FB3: