Dorman 994-140 Vapor Canister Purge Valve

OE-Style Vapor Canister Purge Valve

Dorman 994-140 is a direct replacement vapor canister purge valve for the evaporative emissions system. It is engineered for a precise fit and plug-and-play installation, making it a practical choice for Ford Transit-150, Transit-250, Transit-350, Transit-350 HD, Expedition, F-150, and Lincoln Navigator applications.

This Dorman 994-140 purge valve is built to restore proper EVAP system operation and meet emissions requirements on the listed vehicles.

Key Features

• Direct replacement purge valve for the evaporative emissions system
• Designed for factory-style fit and plug-and-play installation
• Critical component for controlling fuel vapor flow in the EVAP system
• Housing materials include metal and plastic construction
• Features a rectangular female connector with 2 terminals
• Includes a mounting bracket and mounting screws
• Single connector design with vacuum port and hose connections sized for OE-style routing

Detailed Product Overview

The Dorman 994-140 vapor canister purge valve is intended to replace the original equipment valve on select Ford and Lincoln vehicles. It supports the evaporative emissions system by regulating vapor flow from the charcoal canister into the engine intake, helping the vehicle maintain proper emissions control and drivability. Fitment includes 2011-2016 Ford F-150, 2015-2017 Ford Expedition, 2015-2021 Ford Transit-150, 2015-2021 Ford Transit-250, 2015-2021 Ford Transit-350, 2015-2021 Ford Transit-350 HD, and 2015-2021 Lincoln Navigator. This part cross-references Standard Ignition CP932 for the same application.

Common Problems This Part Can Address

• EVAP system fault codes related to purge valve performance
• Rough idle caused by improper vapor control
• Fuel vapor leakage from a worn or sticking purge valve
• Emissions test failures tied to evaporative system issues
• Hard starting or drivability concerns linked to purge flow problems

Installation Notes and Tips

Verify hose routing, connector style, and mounting location before installation. The valve uses a rectangular female connector and OE-style port sizing, so matching the original layout is important for proper sealing and operation. Inspect nearby vacuum lines and EVAP hoses for cracks or wear during replacement, and clear diagnostic trouble codes after installation if required by the vehicle.

Quality Assurance

Dorman designs this purge valve as a direct-fit replacement for the original part and states that it fulfills government emissions requirements for the application. Part number 994-140 is built to support reliable EVAP system service on the listed Ford and Lincoln models.