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Volvo v40 start-stop problem and function failures

Hi! I have a 2017 Volvo v40, diesel engine, with 172,000 km on it. I've encountered several problems with the car. Some functions are unavailable, and the start-stop system isn't working properly. At low revs, the engine cuts out and requests a restart. Can anyone help me understand what might be causing these problems and how they could be solved?

(Translated from Hungarian)

Summary of the thread

A 2017 Volvo v40 with a diesel engine is experiencing issues with unavailable functions and a malfunctioning start-stop system, where the engine cuts out at low revs. The problem may be caused by a weak or failing battery, affecting electrical systems and the start-stop functionality. Checking the battery's health and connections is suggested as a potential solution.

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1 comment(s)

CarlyMechanic

Check the battery's health and connections first, as a weak or failing battery can cause electrical issues and affect the start-stop system. Let me know if this resolves the problem or if you need further assistance.

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VOLVO

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V40