‘Our archive of posts about selected vehicles we have worked on in the past. Please use the search function below to look for a vehicle make, a running issue or anything else of interest.’
Is your service or MOT due soon? Nick booked us in to work on his Audi A6 as the service and MOT are due this side of Christmas Good job he did as the live data diagnostic showed his vehicle is running cold and the thermostat is not closing properly.
⚠️ Thermostats are critical in maintaining the best fuel economy and lowest emissions for your vehicle. 🚗 Here’s a misbehaving one, unable to close properly, in an Audi A4 1.9 TDI (2007 – 153,209 miles). ℹ️ This will cause poor fuel economy, higher emissions (some will fail MOT), increased noise
📝 ‘So the Caddy SDI MOT was a FAIL on emissions… so had it carbon cleaned, was advised to replace thermostat, and what a difference, the van has now passed the MOT and its noticeable … smoother and quieter 👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻’ ⚠️ Spending too much on fuel? MOT or service due?
⚠️ DPF Differential Pressure Sensor and thermostat issues causing repeated DPF issues on this one. 🚗 Here we have a Ford Mondeo 2.0 TDCi (2010 – 130,375 miles) booked in for diagnostic investigation and potential Engine Carbon Clean. ℹ️ The owner had booked us in to investigate and clean up
⚠️ Turbo Boost Sensor and thermostat issues causing limp mode problems, poor fuel economy, DPF issues and excessive carbon buildup on this one. 🚗 Here we have a Skoda Fabia 1.2 (2011 – 112,944 miles) booked in for diagnostic consultation and Engine Carbon Clean. ℹ️ The owner had booked us
🌡️ Does your vehicle take a long time to warm up? Does the heating not work very well? If so may well be running cold and need a new thermostat. ❗ A cold running vehicle may look fine on the dashboard and present no engine codes when scanned, but will…
🌡️ Another misbehaving #thermostat (Ford Transit 2.4 TDCi) and giving the owner no clue that it is running cold ❄️ ℹ️ A cold running engine will not run efficiently, will lower #MPG and raise #emissions levels. ❗ This will cost you money in wasted fuel, dirty up your engine causing
⚠️ With the weather getting colder we are starting to see lots of vehicles with faulty thermostats causing no end of issues with DPF lights coming on, increased levels of black smoke and poor MPG. ❄️ Vehicles running cold due to lazy/sticking/stuck thermostats won’t trigger engine codes so simple diagnostic code reads
⚠️ Vehicle not running right? Black smoke, noisy, chugging and overall poor performance? 🚗 Here we have an Audi A4 1.9 TDI (2007 – 164,260 miles) booked in for diagnostic consultation and potential Engine Carbon Clean. ℹ️ The owner booked it in as it was ‘chugging’ when coming off the
⚠️ Thermostats do an important job at keeping engine temperatures at just the right level so the engine is at peak fuel efficiency. 🌡️ Misbehaving thermostats can lead to no end of problems (and unless you know what to look for will go unnoticed as they typically don’t trigger diagnostics
