Details

• Brand:

  

  

• SKU:

  DU5Z-9C111-A

• Other Names:

  Pump, Pump Assembly

• Description:

  This genuine Ford evaporative emission leak detection pump, cataloged by Ford as a Leak Detect Pump, mounts to the EVAP system and briefly pressurizes the fuel vapor circuit so the powertrain control module can confirm system integrity and detect very small leaks that would otherwise release unburned hydrocarbons to the atmosphere. It integrates a motor-driven pump, a reference orifice, and a changeover valve, and it runs a self-test after the vehicle is shut off. It fits 2013 through 2016 Ford C-Max Hybrid and C-Max Energi models equipped with the 2.0L Atkinson-cycle engine, with dealer catalogs listing broad 2013 through 2018 coverage. A failing unit typically triggers an illuminated check engine light with evaporative emission diagnostic trouble codes such as P0455, P0456, or P0442, or a dedicated leak detection pump performance code, and it is a common cause of a failed state emissions or smog inspection even when no drivability problem is felt. Buyers searching for this part are usually chasing a persistent EVAP leak code that returns after replacing the gas cap or purge valve. Install the pump with its filter and seal seated correctly and clear stored codes after replacement so the monitor can re-run. As a genuine Ford component it matches original calibration and connector fitment, avoiding the intermittent code-setting common with substitute units.

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