DPF Issues? Diagnostic consultation and Engine Carbon Clean – Volvo S40 (2006 – 48,301 miles)

⚠️ Engine/DPF lights on? Vehicle not running as quiet, smooth, economical or responsive as it should be?

Here we have a returning customer with a different vehicle – a Volvo S40 (2006 – 48,301 miles)

Having used us previously on another vehicle she asked us to take a look after the mechanic at the garage found a code and cleared it when serviced, but the engine management light came back on later the same day. He advised we come and take a look given the minimal amount of miles driven by the previous owner might mean it needed a clean due to lots of short journeys.

ℹ️ Engine Management Lights appear for a variety of reasons – they can be down to a failed component, a failing sensor giving incorrect readings or sensors detecting conditions which are abnormal.

Initial diagnostics showed a single code present relating to the DPF efficiency. The owner was doing long journeys every day and there was plenty of fuel present, so that ruled out short journeys being the culprit.

ℹ️ All relevant sensors and components appeared to be working fine, but the key thing which stuck out on the live data was the coolant temperature. Although having being driven for 20 minutes before our arrival it was running cool. With the cabin fans turned off and repeated revving we could only get the temperature up to 174-176°F and then once the cabin fans were started again the temperature dropped rapidly.

️ This would indicate the thermostat is not closing properly and the vehicle is struggling to maintain the required temperature to regenerate successfully.

‍We proceeded with an Engine Carbon Clean to clean up the source of the emissions and recommended the owner get the 13 year old thermostat replaced.

☑️ 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

Owen Simpson profile picture
Owen Simpson
1 month 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
1 month ago
Great job
Car running a lot better

Highly recommend
Iain Tribick profile picture
Iain Tribick
1 month 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.
Mircea Marius Popa profile picture
Mircea Marius Popa
2 months ago
Had the pleasure to meet Adrian this morning who performed a carbon clean on my bmw 525d
Very knowledgeable guy, I was really impressed.
Car drives much better now, highly recommend.

Thanks Adrian

Marius Popa
Mark Woolley profile picture
Mark Woolley
2 months ago
Adrian went above and beyond at every stage. Couldn’t recommend Adrian as a person and the service highly enough.
william farrell profile picture
william farrell
2 months ago
had my jaguar xf sportsbreak car engine cleaned and omg its like new what a great job the power is back Engine diagnostic was brilliant and the service was so good. I would recommend it to anybody.
Tracey Jane King profile picture
Tracey Jane King
2 months ago
Leon came out to my car about a month ago. He was brilliant, he did some diagnostics, asked some questions and then got to work sorting out my problem. He was extremely thorough and I could tell he genuinely cares about providing a first class service. Fantastic!
Brad G profile picture
Brad G
2 months ago
Iv had the pleasure of having 2 Carbon cleans from both Adrian and Mark. Both lovely gentlemen and you can tell they love what they do. My car failed on emissions and this helped me get the car through the test, and at the time, I REALLY needed a pass because I couldn’t get anywhere. These guys saved me. Not only that, it’s a lot cheaper here compared to other places also. Thank you so much and look forward to seeing you in future endeavours.
Robert Bedford profile picture
Robert Bedford
2 months ago
Great ppl full of advice and very helpful quick to reply definitely use again thanks guys
Graham Ward profile picture
Graham Ward
2 months ago
First class service, very professional and nice guys.
Very knowledgeable on issues with electrical problems with my car.
Arrived on time and completed the work as you would expect from a good reliable company.
Kimberley Everest profile picture
Kimberley Everest
3 months ago
What a great experience with Steve today! From start to finish went through the diagnostics step by step with me, explaining everything in detail! Flushed and cleaned the dpf for me cannot fault him at all, work done at ur front doorstep would definitely recommend Thankyou so much for all your help!
Gary Simpson profile picture
Gary Simpson
3 months ago
Today Adrian from F5 Carbon7 DPF Clean came to de carbonise my xc60 he arrived bang on time he was very courteous and explained in great detail what the process was .
He set up within 5 minutes and went on to the diagnostics and talked me through what was coming up after a reset all was clear. It took about 1 hour in total great job well happy would definitely recommend Adrian well mannered gentleman.

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