Details

• Brand:

  

  

• SKU:

  EV-257

• Other Names:

  Valve Assembly

• Description:

  This is a genuine Motorcraft PCV valve, the positive crankcase ventilation valve that meters blow-by gases out of the engine crankcase and back into the intake so they can be re-burned, keeping crankcase pressure controlled and reducing sludge and emissions. It is a calibrated one-way valve that opens and closes with manifold vacuum to regulate flow, and it is matched to the engine's oil separation and idle calibration so the system stays sealed and stable. This valve fits a broad range of 2003-2020 Ford and Lincoln V6 applications including Taurus, Sable, Explorer, Flex, Escape, Mustang, Lincoln LS, Continental, and MKT, so confirm the connection type and engine before ordering. Drivers replace a failed PCV valve when they notice a rough or unstable idle, a whistling or hissing vacuum noise, increased oil consumption, oil leaks pushed past seals and gaskets by crankcase pressure, oil in the intake tract, or a check-engine light for crankcase ventilation flow. A stuck-open valve causes lean idle and vacuum-leak symptoms, while a stuck-closed valve raises crankcase pressure and forces oil past the seals. Because it is the Motorcraft original equipment valve, it delivers the correct calibrated flow rate rather than the incorrect metering of a generic substitute, which protects gaskets and idle quality. It is cataloged by Ford in the Motorcraft PCV valve family. Replacement is straightforward: pull the old valve from its grommet, inspect and clean the grommet and hose, and seat the new valve fully so the crankcase system seals. This factory valve restores proper crankcase ventilation and idle stability.

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