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How to Check the Wiring of a Coil on a Renault Clio III

Model: Renault Clio Clio 3, MK 3, Clio III - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Ignition coil

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Video tutorial

Let's see how to check the wiring of a coil on a Renault Clio 1.5 DCi: the car was struggling to go uphill due to a lack of power. The coil has 4 wires.

The 1st white wire is connected to the oil sensor, the 2nd white wire is connected to a small electronic capacitor, the 3rd purple wire is connected to the ECU, and the green one may be the ground. The capacitor stabilises the voltage and protects the circuit from electrical spikes; if it fails, it can cause coil malfunctions.

Clean the oxidised connectors and check that the wires are not broken or frayed. Remove the old coil and connect the new one, following the previously indicated wire scheme.

Use insulating tape to protect the connections and secure the cables to prevent harmful vibrations. After the repair, the car should maintain a steady idle and regain power.


Posted on 21 February 2026 by ScegliAuto


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by ScegliAuto

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