Ford F150 Canister Purge Valve Location. 2009 - 2010 5.4L

The vapor canister purge valve is an important component in the Evaporative Emission Control (EVAP) system of a 2009 - 2010 Ford F-150 5.4L. The purge valve controls the flow of fuel vapors from the vapor canister to the engine for combustion, allowing the system to operate properly.

If the vapor canister purge valve goes bad, it can result in various issues, including improper fuel vapor flow, increased emissions, and potential drivability problems. When the purge valve malfunctions or fails, it can trigger specific OBD2 diagnostic trouble codes (DTCs) to indicate the issue. The specific codes that may be activated can vary depending on the vehicle's make and model, as well as the manufacturer's implementation of the OBD2 system. However, some common DTCs related to a faulty vapor canister purge valve include:

P0443 - Evaporative Emission Control System Purge Control Valve Circuit Malfunction: This code indicates a problem with the electrical circuit of the purge valve.

P0444 - Evaporative Emission Control System Purge Control Valve Circuit Open: This code suggests an open circuit issue with the purge valve.

P0445 - Evaporative Emission Control System Purge Control Valve Circuit Shorted: This code indicates a short circuit problem with the purge valve.

These codes indicate that there is an issue with the vapor canister purge valve and its associated electrical circuitry. It is recommended to have a professional diagnostic scan performed to accurately determine the cause of the codes and the specific problem with the purge valve. This will help ensure the proper functioning of the EVAP system and emissions control.

Vapor Purge Valve part numbers: CX2220, 911-378
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