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What should I do if the failure light of Citroen C2 engine is on?

Hello: Regarding your inquiry, the lighting of engine fault light has nothing to do with replacing brake pads. At that time, the store could only clear the fault code. For the lighting of this fault lamp, it is necessary to check whether the carbon deposit, the ignition system work normally and the signals of various sensors are normal. If the fault light is on, you can use the diagnostic computer to check the fault log and carry out maintenance according to the fault code. According to the maintenance of Citroen c2 vehicles, ignition system failure and fault lights caused by carbon deposition are common. First, check these two aspects.