Engine Diagnostics & Engine Care Blog from the experts at f5ecc
Blog posts about all the different types of vehicles we have performed Engine Diagnostics on, and carried out DPF and Carbon cleans on. Please use the search function below to look for a vehicle make, a running issue or anything else of interest.
Learn More About Engine Diagnostics & Vehicle Performance
With years of hands-on experience in diagnostics, carbon cleaning and DPF work, we share practical advice to help you keep your vehicle running smoothly and avoid unnecessary repair costs.
What You’ll Find in Our Engine Diagnostics Blog
- Real customer case studies
- Live data engine diagnostics
- DPF faults and fixes
- MOT emissions failures
- Running issues and symptoms
- Engine carbon cleaning examples
- Fault code explanations
- Performance loss and smoke issues
Popular Engine Fault Categories
Popular Vehicle Brands We Diagnose
Diagnostic consultation and Engine Carbon Clean on a Honda Civic 2.2 diesel (2010 – 132,458 miles)
⚠️ Vehicle not as quiet, smooth, responsive or economical as it used to be? Service…
Diagnostic consultation and Engine Carbon Clean on an Audi A3 2.0 TDI (2008 – 181,001 miles)
⚠️ Just bought a vehicle? Not as quiet, smooth, responsive or economical as it should…
Leaking injector this Peugeot 2.0 HDi = no clean today
⚠️ NO CLEAN on this one due to a leaking injector (see video ). ℹ️…
Diagnostic consultation and Engine Carbon Clean on Range Rover Vogue 3.6 TDV8 (2010 – 75,691 miles)
️ ‘It's great. I didn't think there were any performance issues. Judging by how it…
Diagnostic consultation and Engine Carbon Clean on a BMW 840i (130,199 miles)
What better way to start the day than with a V8 A cherished BMW 840…
DPF regenerating again after new glowplugs and thermostats – Return visit to this BMW 320d
️ ‘I can 100% tell a difference in smoothness of power delivery, responsiveness of the…
DPF Light on? – Diagnostic consultation on a BMW 320d (2006 – 201,348 miles)
⚠️ Running issues? DPF Light come on? Get it diagnosed and/or cleaned up. Here we…
Diagnostic consultation and Engine Carbon Clean on a Ford Fiesta van (2009 – 82,969 miles)
️ ‘It's spot on mate sounds brilliant too. Van booked in for crank shaft sensor…
Diagnostic consultation and Engine Carbon Clean on a Mercedes E43 AMG (2016 – 21,403 miles)
⚠️ Warranty about to expire? Get our diagnostic consultation and Engine Carbon Clean before it…
Diagnostic consultation and Engine Carbon Clean on a Mercedes V220d (366,429 miles)
⚠️ Rely on a vehicle for work? Here we have a lovely Mercedes V220d on…
Diagnostic consultation and Engine Carbon Clean on a VW Golf 1.9 TDI PD130 (2004 – 160,458 miles)
⚠️ Own a vehicle? Want to get it quiet, smooth, economical and responsive again? ️…
Failed MOT? Diagnostic consultation and Engine Carbon Clean on a VW Touran (2005 – 124,503 miles)
Failed MOT on emissions? Here's one we dealt with a few days ago and after…
Injector leak – Honda Accord 2.2 diesel (2006 – 170,834 miles)
❗Customer and vehicle safety comes first. Here we have another vehicle where although we could…
REVIEW – VW Golf
️ ‘Car drives so much better! Much more responsive and a lot less engine noise!…
⛽ How's your fuel economy?
️ ‘It is driving really well. I'm seeing improved fuel savings already. I usually drive…
‘A fully insured mobile service suitable for all combustion engines running petrol, diesel or LPG, no matter what age, engine size or mileage.‘



