Conditions for Setting the DTC
- The fuel tank vacuum is more than 8 inches H2O for 5 seconds during the 13 minute test.
OR
- The fuel tank vacuum is less than -2.5 inches H2O or more than +5 inches H2O for 3 seconds after a cold start ignition ON.
- The fuel tank vacuum is greater than a calibrated amount for a calibrated period of time.