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The positive crankcase ventilation (PCV) valve regulates the flow of blow-by gases from the crankcase back into the intake manifold, where they are burned rather than released to the atmosphere. Signs of a clogged or stuck PCV valve include: increased oil consumption, oil leaks from gaskets and seals pressurized by crankcase pressure, rough idle, or sludge buildup inside the engine. Replace the PCV valve at the recommended service interval to maintain proper crankcase ventilation.
Aisan is a Tier 1 supplier to Toyota, specializing in fuel injection systems, throttle bodies, and emission control components. As an original equipment manufacturer, Aisan products deliver precise fuel delivery, optimal engine performance, and exceptional reliability backed by advanced Japanese engineering.
This part also fits:
- 2002 Subaru Impreza RS Manual Trans.
- 2003 Subaru Impreza RS Manual Trans.
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