DTC P0450: Evaporative (EVAP) Control System Pressure Sensor Malfunction: Condition
WARNING: This page is about a different car, the 1999 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when Power Control Module (PCM) detects Fuel Tank Pressure (FTP) sensor output voltage is less than 0.1 volt or more than 5 volts. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:
- FTP sensor or circuit malfunction.
- PCM malfunction.