LeoFish
Ford Focus 2010: Problems with acceleration, black smoke and increased fuel consumption
(Translated from German)
Summary of the thread
A 2010 Ford Focus is experiencing issues with acceleration, black smoke emission, engine stalling, rough running, jerking, increased fuel consumption, and a strong exhaust smell. The potential cause identified is a deviation in fuel injection pressure, possibly due to a clogged or heavily used fuel filter, as it has never been changed despite the car having 66,724 kilometers. The suggested solution is to check and possibly replace the fuel filter, and if the problem persists, to inspect the fuel pressure control valve.
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4 comment(s)
LeoFish (community.author)
Hey, thanks for the quick reply! Well, I normally fill up with Super 95 and the car now has 66,724 kilometers on the clock. I am not aware that the fuel filter has ever been changed. Incidentally, the last inspection was recently. Perhaps I should have that checked next.
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TobiSpring
Hi again! Yes, that sounds sensible. With 66,724 kilometers on the odometer and never having changed the fuel filter, the symptoms could be from a clogged or heavily used filter. Even if you fill up with Super95, the filter can become clogged over time. I recommend that you have the fuel filter checked at your garage and replaced if necessary. This should hopefully solve the problem. I know it costs a bit of money, but I think it's worth it to get the car going again. If that doesn't help, you could have the fuel pressure control valve checked. The case of high fuel pressure deviating from the set point may perhaps indicate that this part is no longer doing its job. But hey, first the filter. It would be great if you could report back here later on how it went. Good luck and a frustration-free repair, colleague!
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LeoFish (community.author)
Hey, thanks for the advice! I will definitely have the fuel filter checked and maybe replace it if necessary. The fuel pressure regulator valve also sounds logical, I'll keep that in mind too. I'll definitely get back to you as soon as I have any news. I really hope it's just the filter and nothing more serious. Thanks again for your help and kind words. The repair is always a bit frustrating, but I hope it goes quickly and painlessly. So thanks for the support and all the best!
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TobiSpring
Hi, I had a similar problem with my 2008 Ford Mondeo Diesel. My experience in cars is limited (I would say I have some experience), but I was well advised by good mechanics. It turned out that my car had a "fault entry after changing the fuel filter". So I changed the fuel filter and everything was fine again. It cost me a total of 45 euros and everything ran smoothly again. To be able to help you more precisely, could you please give me some more information about your car? What fuel do you use and how many kilometers has your car done? Has it ever had the fuel filter changed? Hopefully I can then help you better.
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