P0450 OBD Trouble Code

1 result found

P0450 - GM
Type Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description

EVAP System Pressure Sensor Circuit Conditions
Cause

Engine running, VSS input over 10 mph for one minute, fuel tank level from 25-75%, then the PCM detected the Fuel Tank Pressure sensor input was under 0.5v or over 4.8v for 500 ms in the test.

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