Conditions For Setting DTC
If the FTP sensor voltage is indicating less than 2.0 volts, continuous purge flow, during the EVAP diagnostic system test, DTC P1441 will set if condition exists for 75 seconds.
If the FTP sensor voltage is indicating less than 2.0 volts, continuous purge flow, during the EVAP diagnostic system test, DTC P1441 will set if condition exists for 75 seconds.