DTC Description
Following a negative pressure test, the ECM/PCM opens the CCV. At that time, fuel tank pressure is monitored to ensure return to ambient pressure. If the fuel tank pressure does not return to ambient pressure, P0446 is set.
Following a negative pressure test, the ECM/PCM opens the CCV. At that time, fuel tank pressure is monitored to ensure return to ambient pressure. If the fuel tank pressure does not return to ambient pressure, P0446 is set.