P0450low severityPowertrain
Evaporative Emission System Pressure Sensor/Switch Malfunction
on 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD
What this code means
The PCM detected a fault with the EVAP pressure sensor or switch. This can prevent accurate monitoring of fuel vapor system pressure.
Symptoms
- Check engine light on
- Failed emissions test
- No driveability change
Common causes
- Faulty EVAP pressure sensor
- Wiring or connector fault
- Damaged fuel tank or vapor lines
- Failed PCM input circuit
Diagnostic steps
- Retrieve code and freeze frame
- Inspect pressure sensor wiring
- Test sensor signal and reference voltage
- Verify EVAP system integrity
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1