Black smoke on acceleration? Diagnostic Consultation and Engine Carbon Clean on a Ford Mondeo 2.0 TDCi (2008 – 156,945 miles)

⚠️ Black smoke on acceleration? This is a sign of over fuelling and can be down to many things such as leaks, but is also a sign of carbon buildup.

Here we have a Ford Mondeo 2.0 TDCi (2008 – 156,945 miles) booked in for diagnostics consultation and Engine Carbon Clean.

ℹ️ The owner booked it in as it was ‘sluggish at times’, but his main reason was it initially failed the MOT on emissions this time last year and didn’t want a repeat this year. Visible black smoke in 1st and 2nd gear was an issue.

Initial diagnostics of the whole vehicle showed some active and historic issues which we documented for the owner, cleared down and monitored what reappeared.

Live data monitoring showed normal coolant and exhaust temperatures, good EGR movement and gas flow and the DPF in good health with low backpressure, 216 miles since the last regeneration and a running average of 285 miles between regenerations.

‍On with the clean and the initial bass rumble in the engine soon dissipated as the engine smoothed out and quietened down with the throttle response returning.

ℹ️ Getting (and keeping) the engine running smooth will be fuel efficient and keep the emissions down.

‘Booked a carbon clean with Adrian for 12.30 on 26th September, he contacted me team he night before to check I was still ok to have it done that day and also kept me up to date on the day with an ETA and arrived just before 12.30 which was a bonus. Explained to Adrian the issue I had with my 57 plate Mondeo 2.0tdci when it initially failed its MOT last November due to emissions but just scraped through after putting diesel cleaner in the tank so I was looking to get clean done in the hope it would not happen again, I had also been experiencing black smoke under acceleration in 1st and 2nd gear and the car generally felt sluggish. Adrian explained that he would run a diagnostic first to check there were no issues with the engine which fortunately there wasn’t, he also explained what the few error messages that did appear were likely to be before proceeding with the clean. Before starting the clean Adrian explained exactly the clean worked and how it would clean the engine, he showed me every part of the process. The clean took around an hour to complete and I have to say it is the best £99 I have spent in a long time, the car feels new again, I have no black smoke anymore, the car feels a lot smoother and the response under acceleration is a massively different. I would recommend everyone to get this done, Adrian was extremely professional and knowledgeable. ⭐⭐⭐⭐⭐’

Black smoke on acceleration? Diagnostic Consultation and Engine Carbon Clean on a Ford Mondeo 2.0 TDCi (2008 - 156,945 miles)
Black smoke on acceleration? Diagnostic Consultation and Engine Carbon Clean on a Ford Mondeo 2.0 TDCi (2008 - 156,945 miles)
Black smoke on acceleration? Diagnostic Consultation and Engine Carbon Clean on a Ford Mondeo 2.0 TDCi (2008 - 156,945 miles)
Black smoke on acceleration? Diagnostic Consultation and Engine Carbon Clean on a Ford Mondeo 2.0 TDCi (2008 - 156,945 miles)
Black smoke on acceleration? Diagnostic Consultation and Engine Carbon Clean on a Ford Mondeo 2.0 TDCi (2008 - 156,945 miles)

☑️ Full live data Diagnostics
☑️ Which? Trusted Traders approved Engine Carbon Clean
☑️ Safety first, fully insured and IMI Certified

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Reviews For our Engine Carbon Cleaning Services

Mohammad Hossen profile picture
Mohammad Hossen
3 days ago
Fantastic service from Leon- what a knowledgeable gentleman who did a thorough check and diagnostic and advised accordingly on key issues. Car run beautifully following the carbon engine clean.
michael mcneive profile picture
michael mcneive
6 days ago
I had a DPF clean which has worked perfectly and got my diesel Rav4 back into perfect driving condition. Steve, the technician was very friendly and talked me through the whole diagnosis and treatment.
Silent Scream profile picture
Silent Scream
6 days ago
Recently bought a Mazda cx5 diesel and wanted piece of mind the engine had been cleaned. I was getting at most 44mpg (best I had got) I am now getting 49mpg. Well worth it and great people. Thanks again !
Alan Moore profile picture
Alan Moore
1 week ago
Just had my car done by F5ECC. Adrian talked me though how the process works. This is the second Merc I have had done by him in 2020. C250cdi and now a C350e sport. Noticed straight away more mpg. The car felt a lot smoother on acceleration. I was quite shocked at how much quicker and responsive the car was when I put it in sport+. I highly recomend having this done. Alan Moore. 66 plate C350e 75000 miles.
JAKE tyler profile picture
JAKE tyler
1 week ago
Adrian was very friendly and professional, showed me everything he did and talked me through the process… Plus car feels great 10/10 would recommend
Owen Moore profile picture
Owen Moore
2 weeks ago
Adrian came out and did a carbon clean on my Mercedes CLA45. If you've purchased a used car that's done a good amount of miles then I would highly recommend getting this done. It made all the difference to mine. Throttle response is better the car feels better as it climbs through the gears. Adrian was here for about an hour, was happy to talk through the process and shared diagnostic info straight to my phone. Really helpful and knowledgeable. Owen Moore.
Paul Auton profile picture
Paul Auton
2 weeks ago
Had Adrian carbon cleaning my Audi 2021 A4 tdi .waited to see results over a period of time .car runs smoothly and accelerates with ease The car seems to get to 60 mpg very quickly and just goes up from there so impressed. Adrian Improved the 4 injectors performance but found no 3 slightly out of spec .Adrian went tho the cars diagnosis system very impressive I would highly recommend paul .thanks Adrian
Sanjeev Kumar profile picture
Sanjeev Kumar
3 weeks ago
I found this organisation on Google. It had great reviews and the service which I required which was a carbon clean. I found Adrian very helpful and knowledgeable. While he was carrying out the service he explained everything to me and how it works. The car feels better now with it being more responsive and quieter. I would recommend Adrian and his company to friends and family if they required his services. Thanks Adrian hopefully see you again sometime.
Robert Maybury profile picture
Robert Maybury
3 weeks ago
This was my first experience with F5 carbon and DPF clean. I was a little desperate as I had been let down twice by a larger franchise company. Mark the technician managed to fit me in at short notice, what a stroke of luck for me I found Mark to be an extremely knowledgeable and professional guy. After running the diagnostic and clearing a few issues he managed to get my DPF working properly and able to do the regeneration process on its own so only charged for the diagnostic even though I had booked for a full DPF cleaning. I cannot recommend F5 enough it's a real pleasure to deal with them. All round excellent service. Thank you guys.
Owen Simpson profile picture
Owen Simpson
2 months ago
Adrian is a lovely fella, explained the process, carried it out well, clearly done exactly what it needed to do as I blew a load of stuff out the back when I drove it after. Will definitely be coming back in the future.
kenny bennet profile picture
kenny bennet
2 months ago
Great job Car running a lot better Highly recommend
Iain Tribick profile picture
Iain Tribick
2 months ago
Steve arrived to give my Jaguar xfs an engine carbon clean. Presently on 107,000 miles. Explained the process and was obviously very knowledgeable about the process and expected outcomes. And he was a thoroughly nice chap. The V6 in the xfs is a quiet, smooth, powerful unit and I was not sure of what improvements I would get. Well, I’m impressed. The power delivery is smoother, the engine even quieter and 6 mpg better to boot. If you want to do one thing to maintain and improve your motor, then this is what you should do.

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