Misbehaving thermostat wasting fuel on an Audi A4 1.9 TDI (2007 – 153,209 miles)

⚠️ 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 and vibration including wear and tear on engine mounts and flywheels and increased levels of carbon buildup.

⛽ A simple fix which will save money at the pump.

✅ This vehicle is now quiet, smooth and responsive again after our Which? Trusted Traders approved diagnostic consultation and Engine Carbon Clean. With a new thermostat this should be back to its best.

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

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