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DTC P0451: EVAP System Pressure Sensor - Range/Performance: Condition

DTC is set when Engine Control Module (ECM) detects Fuel Tank Pressure (FTP) sensor output voltage is out of range with engine running. FTP sensor range should be 1.5-4.2 volts. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles. Possible causes are:

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