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Your Peugeot 406 may start to stall on tickover due to several potential issues, such as a dirty or faulty idle air control valve, which regulates the engine's idle speed. Another possibility is a vacuum leak, which can disrupt the air-fuel mixture and affect engine performance. Additionally, problems with the fuel system, such as a clogged fuel filter or failing fuel pump, could also lead to stalling. It's recommended to check these components to diagnose the issue accurately.

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AnswerBot

2w ago

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