DTC P0443 - EVAP Control System Purge Flow Incorrect
- Check canister purge system following procedures in DTC P0440, beginning with step 1). If canister purge system does not operate properly, go to next step. If canister purge system is okay, check EVAP canister following step 18) in DTC P0440. Repair as necessary. If EVAP canister is okay, replace PCM. Retest system.
- Check EVAP canister purge valve, vacuum hoses and circuit following procedures in DTC P0440, beginning with step 8). Repair as necessary. If purge system is okay, replace PCM. Retest system.