Just bought a vehicle? Diagnostic and Engine Carbon Clean – VW Passat 2.0 TDI (2008 – 89,807 miles)

💬 ‘Hi mate. It sounds noticibly quieter, and it seems more responsive. I’ve only driven it briefly though, but positive signs so far 👍 Thanks again, top job!

⚠️ Just bought a vehicle? Get it checked out and cleaned up with our Which Trusted Traders approved service.

🚗 Here we have a VW Passat 2.0 TDI (2008 – 89,807 miles) recently acquired by the owner who has used us on a previous occasion.

🔎 Initial inspection found little of note with no major rattles or excessive vibration and no wobble from engine mount wear.

💻 Initial diagnostics showed a couple of historic codes as well as an active code for the driver side heated door mirror circuit (most likely needs a new heated mirror glass on that side).

📊 Live data monitoring showed the EGR behaving itself and injector deviation amounts between 0.3 and 0.14 mg/str when we started – running pretty sweetly already.

🌡️ One thing of note was the coolant temperature wouldn’t go above 85°C no matter how hard we tried and with the cabin fans on it dropped down to 80°C. Given the age of the vehicle we recommended a new thermostat to get it running back efficiently again.

👨‍🔧 On with the clean and although running pretty nicely already the engine note crispened up as we proceeded and by the end was quiet, smooth and responsive again with injector deviation down to between 0.09 and 0.01 mg/str.

Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)
Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)
Active code for the driver side heated door mirror
Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)
Engine temperatures wouldn’t go above 85 degrees
Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)
and dropped to 80 degrees with the fans on briefly
Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)
EGR flow looked fine
Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)
Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)
Injection deviation amounts trimmed in nicely by the end
Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)
Just bought a vehicle? Diagnostic and Engine Carbon Clean - VW Passat 2.0 TDI (2008 - 89,807 miles)

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