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How to clean the PCV valve on a Renault Twingo 3 16 Valves.

Model: Renault Twingo Twingo III, Twingo 3 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Throttle body

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Video tutorial

We find the PCV valve in the engine of a Renault Twincgo 3 16V, which is located under the engine cover and is connected to two hoses: one goes to the air filter, while the other goes down under the intake manifold. The appearance of the valve is that of a small black plastic body with two hose connections.

It is often mounted on the valve cover. To remove it, we disconnect the two hoses, push the clamps, and gently pull: we extract the valve from its seat.

The symptoms of a faulty PCV valve are traditionally loss of vehicle power, excessive engine oil consumption, and white/blue smoke from the exhaust. If the valve is stuck open, it creates a lost vacuum in the manifold, leading to a loss of power.

If it is stuck closed, combustion gases push oil into the engine, which gets burned, causing oil consumption and a lot of smoke. The valve can be cleaned, as suggested in the video, with a cloth, a screwdriver, and a degreaser.

We should also clean the hoses well.


Posted on 2 December 2025 by ScegliAuto


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