How to Check the PVC Valve in a 1998 Ford Escort

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Ford introduced the compact Escort in the 1981 model year. The 1997 model year brought about the release of the fourth generation of the Escort. This redesign, which lasted through 2000, was when Ford gave the Escort a sleeker, more aerodynamic appearance. The 1998 Escort had two 2.0-liter engines available; the base level SOHC version producing 110 horsepower and an optional DOHC version that generated 130 horsepower. Both engines used an emissions control device -- the positive crankcase ventilation valve -- that routed toxic gases into the combustion chamber for burning. Over time, this valve clogs and allows these gases to release into the atmosphere.

  • Locate the PCV valve on the driver's side, front of the engine -- connected the rubber PCV hose.

  • Pull the PCV hose from the PCV valve, using a slight twisting motion.

  • Grab the PCV valve and pull it from the oil separator tube -- the tube leading from the oil pan -- with a slight twisting motion.

  • Hold the PCV valve between your thumb and index finger and shake the valve up and down. Listen for a rattling sounding coming from the valve while shaking it. If there is a rattling sound, the PCV valve is good. If there is no rattling sound, the PCV valve requires replacement.

  • Set the PCV valve on the oil separator hose and press it into the grommet on the hose until it stops moving.

  • Press the PCV hose onto the PCV valve.

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