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    4. : What does fault code 4 on Opel Insignia mean?

What does fault code 4 on Opel Insignia mean?
Years 2008-2017

Answer

On the Opel Insignia, error code 4 indicates, according to the owner's manual, a problem with the air conditioning system. According to some reports, it is often a problem with the temperature sensor.
Posted on: 25 March 2023 by ScegliAuto

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