Operation CHARM
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Mercury
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1989
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Grand Marquis V8-302 5.0L VIN F FI
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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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Pinpoint Tests
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J - Fuel Pump Circuit
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J21 - J23
J21 - J23
Pinpoint Test J21 Thru J23 - Fuel Pump Circuit:
