Problems with engine and starting difficulties in 2007 Ford Fusion - Possible cause: Camshaft sensor?

Hi, I had a similar problem with my 2009 Ford Focus. I have little experience with cars, but I remember this particular problem well. At that time my car showed similar symptoms. I took my Ford to a good garage nearby. They did a thorough check and found that the master gear on the camshafts was defective. It was an expensive repair, costing me 695 euros. As far as I can tell, your symptoms could be related to this. What was the last time you checked it? Could you tell me a bit more about the current condition of your car? That might be quite helpful in giving you more accurate advice.

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Hello, thank you for your quick reply. Well, the last service was at 52011 km and everything ran perfectly after that, the problem only appeared recently. I was secretly hoping it was something less expensive than the encoder wheel. Do you think it could be something else? I will definitely get it checked out by a professional, but it would be good to have an idea of what it could be. Really appreciate your help, thanks!

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Hi, no problem, I'm happy to help! Well, if the last service was only at 52011 km, then of course there could be other reasons. It could also be a problem with the fuel supply, such as a clogged fuel filter or a defective fuel pump. It could also be a faulty spark plug. But if you say that the engine is running rough and stalls from time to time, and that there are starting difficulties, it could really be the camshaft sensor. This is one of the parts that directly influences engine operation and ensures that the engine receives ignition sparks and injection pulses at the right time. If something is stuck there, it can lead to such problems. Of course, this doesn't quite fit in with what I experienced with the sensor wheel, but I'm not a mechanic. Unfortunately, there are so many parts that can cause similar symptoms. That's why it's important that you have it checked in the workshop and don't replace parts on suspicion. Then you may or may not be lucky, and in the end it will be more expensive than it needs to be. In any case, I wish you the best of luck and hope that it's nothing serious and that you can get it repaired cheaply. Please keep us posted, I'm curious to find out what it was in the end!

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Hello, thank you for your detailed and helpful reply. It's good to know that it could be other parts causing similar symptoms. I was hoping it could be something less costly, but I'll have to rely on the garage's expert opinion. I will take the car to the garage soon and hopefully find out what the problem is. Thanks for your good wishes and I will definitely keep you posted on what the final diagnosis is. Thanks again, your help has been really useful!

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Does the brake booster vacuum pump or vacuum pump connect to the camshaft on a 2018 Ford Mustang Convertible ecoboost?

Yes, on many vehicles including your 2018 Ford Mustang Convertible Ecoboost, the brake booster vacuum pump is often driven by the camshaft or the crankshaft. However, it's always best to refer to your specific vehicle's service manual or consult with a professional mechanic to confirm this. Do you have any issues with your brake booster vacuum pump or camshaft?