Operation CHARM
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Mercury
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1994
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Cougar/XR7 V8-281 4.6L SOHC
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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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Z - Intermittent
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Z150
Z150
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Crank, start engine.
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Recreate vehicle fault.
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Is the PIP LED on or blinking?
Blinking
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GO to
Z151.
Z151
On
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GO to
Z157.
Z157