Operation CHARM
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Ford
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1994
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Mustang V6-232 3.8L
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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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X - Constant Control Relay Module (CCRM)
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X175 - Fuel Pump Always Runs: Check If FPA PID Is Off
X175 - Fuel Pump Always Runs: Check If FPA PID Is Off
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Scan Tool connected.
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Key On, Engine Off. Wait 5 seconds.
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Access FPA PID.
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Is the FPA PID off?
YES --
GO to
X176.
X176 - Check If FPM PID Is Off
NO --
Key Off. GO to
X180.
X180 - Check PCM