ChrisVogel
Overheating problems with the 2009 Ford Fusion - Possible problems and suggested solutions
(Translated from German)
Summary of the thread
A 2009 Ford Fusion is experiencing overheating issues, suspected to be related to the cooling air flap system. A similar issue in another vehicle was caused by a defective wiring harness for the radiator blind. It is suggested to read the fault code using an OBD2 adapter to better diagnose the problem. Potential causes include a defective pump, porous hose, or calcified radiator, and visiting a garage for further inspection is recommended.
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4 comment(s)
ChrisVogel (community.author)
Hey, thanks for your answer! It really helped me. Last serviced the car at 76069 km. Nothing special was found during the inspection, so I was surprised that it started to overheat. I'm no expert, but the problem seems a bit more serious. The fault code wasn't read, so I really can't say much about it. I'm looking forward to more answers from the community. A big thanks for any other tips!
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TimoPete
No problem, always welcome! You're right, it could be a more serious issue, but don't let it drive you crazy, it could be something simpler. They probably would have detected major defects during the inspection. You say the fault code wasn't read. That would be really helpful in this case. Maybe you could get yourself an OBD2 adapter. These are available quite cheaply and you can then connect it to your cell phone via Bluetooth and read out the error code. This will give you a better basis for the conversation at the workshop. Good garages should also be able to determine the cause of heat problems. Sometimes it is simply a defective pump, a porous hose or a calcified radiator. I hope you find the solution to your problem soon. Keep us up to date!
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ChrisVogel (community.author)
Hey, that sounds like a really useful idea! I'd never considered an OBD2 adapter before, but that sounds like a sensible investment for future problems. I'll take your idea on board and get myself one of these. Thank you so much for the tip! As soon as I have the fault code, I'll share it here. And yes, I will visit a garage and hope it's nothing too serious. Thanks again for your help and I'll keep you posted!
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FORD
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FUSION
TimoPete
Hi, I happened to have a similar problem with my 2019 Ford Transit, so pretty similar to yours. I wouldn't call myself a car expert, but I do have some experience. Nevertheless, I didn't recognize the fault myself at the time and went to the workshop. There they discovered that the wiring harness for the radiator blind was defective and rubbed open behind the bumper. The repair cost 270 euros at the time. Have you ever read out the error code? Did the engine control light come on? Sometimes it can be helpful to know a little more about the symptoms. Hope this helps you a little!
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