Mike's Workshop Manuals
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Mazda
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2021
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CX-9 Signature
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Repair and Diagnosis
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Engine Performance
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System
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On-Board Diagnostic - Engine Control System (3 Of 6)
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DTC P0451-00: Fuel Tank Pressure Sensor: Sensor Characteristic Malfunction
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Repeatability Verification Procedure
Repeatability Verification Procedure
Switch the ignition off.
Leave the vehicle for 2 h or more.
Start the engine and leave it idling for 1 min.