Mercedes C-Class 2017 NOX Sensor Issue Resolved Without Replacement | Saving £650 Just Clean Adblue Injector And Adblue Injector Hole
Welcome back to our YouTube channel! Today, we have an interesting and cost-saving story to share with you about a Mercedes C-Class 2017 that had a persistent NOX sensor problem. This car owner went to several garages, spent over £1500, and was told that they needed to replace the NOX sensor 2, which would cost an additional £800. However, the customer decided to seek another opinion and ended up at our workshop.
Upon a thorough assessment of the Mercedes C-Class, we discovered two faulty error codes related to the NOX sensor 2:
P229F92 NOX SENSOR 2 (CYLINDER BANK 1) HAS A MALFUNCTION. THE FUNCTION OR THE INSTRUCTION IS FAULTY.
P220F77 THE HEATER OF NOX SENSOR 2( CYLINDER BANK 1) HAS AN ELECTRICAL FAULT.THE COMMANDED POSITION CAN NOT DE REACH
Instead of jumping straight into replacing the NOX sensor, we decided to take a different approach. We decided to perform a bit of experimentation to see if there might be an alternative solution to this problem. After all, saving money is always a good thing, right?
During our investigation, we made a crucial discovery – the Adblue injector and injector hole were blocked. This blockage was potentially causing the NOX sensor issues. Instead of immediately replacing the NOX sensor, we decided to tackle the root cause of the problem and set out to clean and reinstall the injector.
With the injector cleaned and reinstalled, we took the Mercedes C-Class for a motorway road test. Our goal was to allow the car to clean the Diesel Particulate Filter (DPF) on its own, without the use of any DPF chemical additives.
To our delight, as we drove on the motorway, the DPF soot load began to drop significantly. It went from a staggering 99% down to a mere 3%. This result was a clear indicator that our approach was working, and the car was doing the job on its own.
In the end, not only did we resolve the NOX sensor issue, but we also managed to save the customer a whopping £650 by avoiding the unnecessary replacement of the NOX sensor. We went the extra mile to ensure that the customer's Mercedes C-Class was back in great shape and running smoothly.
We believe in transparency and providing value to our customers. Our dedication to solving problems efficiently and cost-effectively is what sets us apart. We take pride in our work, and this happy car owner is a testament to our commitment.
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