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Mazda
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2002
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B2300 Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0451 Or DTC P0461
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Possible Causes
Possible Causes
Possible causes are:
Intermittent open or short in Fuel Tank Pressure (FTP) sensor circuit (P0451).
Intermittent open or short in Fuel Level Input (FLI) circuit (P0461).