SilBeck87
Problems with overheating and check engine light on Peugeot 2008 Diesel 2020
(Translated from German)
Summary of the thread
A 2020 Peugeot 2008 diesel is experiencing overheating issues and a check engine light. The suspected cause is a malfunctioning coolant thermostat, especially since the problem occurs at high speeds on the highway. It's advised to have the thermostat checked and possibly replaced, as it could lead to serious engine damage if not addressed. The repair is generally not expensive, and a visit to the garage is recommended to resolve the issue.
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4 comment(s)
SilBeck87 (community.author)
Hey, thanks for your quick reply! But I think my problem is with the cooling system rather than the wiring harness. By the way, it's been a while since my last service, about 68748 KM ago. The symptoms usually occur when I'm driving on the highway, especially at high speeds. The engine temperature then skyrockets and I have to stop until the car has cooled down. I checked the coolant after the last time and it was ok. Any other ideas again as to what the problem could be? Thanks in advance!
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KDRichter
Hey, you're right, it looks more like you have a problem with the cooling system. At high speeds, the engine can of course easily overheat. It could well be that the thermostat is not working properly and not opening the coolant circuit properly, which would explain the overheating. You really should have the thermostat checked, because if it's not working properly, it can cause serious engine damage. By the way, the check engine light can also come on due to a faulty thermostat. I would advise you to visit a garage as soon as possible and have it checked. For my Peugeot 208, replacing the thermostat including labor was not particularly expensive, at around 120 euros. I hope that you are helped and that you find a solution soon. Let me know how it goes!
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SilBeck87 (community.author)
Hey, thanks for the tip! I also think that the thermostat could be the cause. It's reassuring to hear that it's not too expensive to replace. I'll call my garage today and make an appointment. I hope that solves the problem and I can drive calmly again. I'll keep you posted on how things go with my Peugeot. Thanks again for your advice!
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PEUGEOT
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2008
KDRichter
Hey, I'm not a car mechanic but I do have a bit of experience with cars. I had a similar problem with my 2018 Peugeot 208 petrol. It turned out to be damage to the wiring harness. The repair cost me 110 euros at my local garage. I recommend you contact your garage and check the wiring harness. However, without more details about your vehicle, it is difficult to give accurate advice. Could you share more information about the behavior of your car and when exactly the problems occur?
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