VIDEO

Acura DTC

Acura DTC P0443

Manufacture

Acura DTC

Code

P0443

Definition

Evaporative Emission (EVAP) Canister Purge Valve Circuit Malfunction

Description

With the engine running, EVAP canister purge valve output duty at 2% to 98% the execution time is continuous and the duration time is 5 seconds or more. When the return signal does not change according to the EVAP canister purge valve duty cycle for a set time, the PCM detects a malfunction. The return signal does not change according to the EVAP canister purge valve output for at least 5 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Poor connections or loose terminals at the EVAP canister purge valve and the PCMOpen or short between the EVAP canister purge valve and the PCM Open or short between the EVAP canister purge valve and the under-dash fuse relay boxEVAP canister purge valvePCM may need to be updated with the latest softwareFaulty PCM

_P0443  There are 0 products.