Operation CHARM
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Mercury
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1992
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Grand Marquis V8-281 4.6L SOHC
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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AOD
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Poor Vehicle Acceleration
Poor Vehicle Acceleration
POOR VEHICLE ACCELERATION
1.
Poor engine performance.
2.
Torque converter one-way clutch locked up.