3000GT VR-4 AWD V6-2972cc 3.0L DOHC MFI Twin Turbo (1998)
Leak Detection Sensor: Description and Operation
OPERATION
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Fuel tank differential pressure sensor will convert the pressure in the fuel tank to voltage and input it to the engine control module.
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5 V of power is supplied to the fuel tank differential pressure sensor from the engine control module and the sensor circuit ground is located in the
engine control module.
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The fuel tank differential pressure sensor output voltage is proportioned to the fuel tank pressure and sent to the engine control module.
TROUBLESHOOTING HINT
DTC P0450 is set if there occurs a clogging in the fuel vent valve, vapor line, purge line, EVAP ventilation solenoid, EVAP purge solenoid, etc.
Inspect these parts for clogging it DTC P0450 is output.