2001 DODGE RAM 2500 8.0 L CODE PO 443

Question

HAVE REPLACED PURGE CONTROL VALVE 3 TIMES CHECKED ALL WIRING REPLACED ECM 3 TIMES LAST TIME DODGE REMAN COMPUTER HAVE TRUCK AT DODGE DEALER RIGHT NOW THEY HAVE REPLACED PURGE CONTROL VALVE WIRING AND CHECKED ECM CODE STILL PERSIST AND HAVE NO EXPLANATION FOR CODE I WAS JUST WONDERING IF ANY ONE ELSE HAS HAD SIMILAR PROBLEM WHAT HAS BEEN REPLACED LAST 1000 MILES REMAN MOTOR PURGE CONTROL VALVE WIRING HARNESS ECM TRANI ALL VACUM HOSES DODGE FUEL PUMP AND DODGE DEALER CAN NOT FIGURE IT OUT HAVE HAD TRUCK OVER 2 WEEKS

Answer 1

HI there,

The pressure sensor can cause this code, if the pressure sensor isn't reading properly, then either there won't be any purge OR the computer will see no change in the pressure and blame the purge control solenoid. They should check the system for any leaks as well.