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.
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This part also fits:
- 2015 Mazda CX-5 Touring
- 2016 Mazda CX-5 Touring
- 2017 Mazda CX-5 Touring
- 2018 Mazda CX-5 Touring
- 2019 Mazda CX-5 Grand Touring Reserve
- 2019 Mazda CX-5 Touring
- 2020 Mazda CX-5 Grand Touring Reserve
- 2020 Mazda CX-5 Touring
- 2021 Mazda CX-5 Grand Touring Reserve
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