Nox Sensor Failure? | Mercedes Benz GLC 250 2017 P229F92 NOx Sensor Failure and How to repair
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- Опубліковано 21 бер 2024
- P229F92 - NOx sensor 2 (cylinder bank 1) has a malfunction.
This is s step by step guide to how to Repair a NOx sensor malfunction. Mercedes benz GLA 250 2017 - NOx sensor repair step by step guide
How to Diagnose Nox Sensor Failure,
How to Identify failure,
How to do repair,
Afterservice of sanu motors
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Thank you for your videos, at the Mercedes service center they changed the nox sensor twice, a month later the check engine light came on again, in the end I cleaned the adblue injector myself using your videos, everything has been working perfectly for several months now
Glad it helped
Hi Charlie - what did you soak the sensor in overnight ?? - thank you
I soaked the nox sensor overnight in my own mixture, but you can definitely try any DPF cleaning product for similar results. It's essential to find a solution that works best for your needs and ensures thorough cleaning. If you have any more questions or need further assistance, feel free to ask!
I have nox sensor 2 bank 1 issue right now in my Mercedes GLC 250d. Can I use the sensor from Bosch or have to be from the Mercedes? Do Mercedes do the resale for the refurbished ones?
You can typically use a NOx sensor from a reputable aftermarket brand like Bosch as a replacement for your Mercedes GLC 250d. Many aftermarket sensors are designed to meet or exceed OEM specifications, so you should be able to find one that works well for your vehicle.
As for refurbished sensors from Mercedes, it's possible that they offer them as a replacement option, but it would be best to check with your local Mercedes dealership or authorized service center to see if they have refurbished parts available and if they offer resale services for them.
When purchasing a replacement sensor, be sure to verify compatibility with your specific vehicle model and engine configuration to ensure proper fit and function.
What is the name of the spray you use
you can use Launch or dcl DPF cleaning product
Link for the dpf cleaner?
A diesel particulate filter (DPF) can become blocked or clogged due to several reasons, primarily related to the accumulation of soot and other particulate matter. Here are some common causes:
Incomplete Regeneration: DPFs need to go through a process called regeneration to burn off accumulated soot. If the regeneration process doesn't complete properly, it can lead to soot buildup and eventual blockage. Incomplete regeneration can occur due to short driving cycles or low engine temperatures, which don't allow the exhaust system to reach the necessary temperature to burn off the soot.
Low-Quality Fuel: Poor-quality diesel fuel may contain higher levels of impurities and contaminants, which can lead to increased soot production and quicker DPF blockage.
Faulty Components: Issues with engine components such as fuel injectors, turbochargers, or EGR (Exhaust Gas Recirculation) systems can affect combustion efficiency and lead to higher soot production, contributing to DPF blockage.
High Mileage or Age: Over time, DPFs can naturally accumulate soot and debris, especially in vehicles with high mileage or those that have been in operation for many years. Eventually, this buildup can lead to blockage if not properly managed.
Incorrect Driving Conditions: DPFs require specific driving conditions to regenerate effectively, including sustained highway driving at moderate to high speeds. If a vehicle is primarily used for short, stop-and-go trips, the DPF may not get the opportunity to regenerate fully, leading to blockage over time.
Software or Sensor Issues: Problems with the engine management system, such as faulty sensors or outdated software, can lead to improper fuel-air mixture, timing, or exhaust gas recirculation, which can impact DPF regeneration and contribute to blockage.
Incorrect Servicing: If servicing is not performed correctly, it could lead to issues such as improper installation of components, leaks, or malfunctions in engine systems that can affect DPF performance. For example, if the air intake system is not properly sealed after servicing, it could allow unfiltered air into the engine, leading to increased soot production and DPF blockage.
Incomplete Regeneration: Some servicing procedures, such as replacing sensors or components related to the exhaust or emissions systems, may require the engine control unit (ECU) to be reset or reprogrammed. If this is not done properly, it could disrupt the DPF regeneration process, leading to incomplete regeneration and eventual blockage.
Faulty Replacement Parts: If aftermarket or low-quality replacement parts are used during servicing, they may not meet the same standards as OEM (Original Equipment Manufacturer) parts. Substandard parts can lead to issues such as improper fuel combustion, increased soot production, or sensor malfunctions, all of which can contribute to DPF blockage.
Improper Maintenance Schedule: If servicing intervals are not followed according to the manufacturer's recommendations, it could lead to neglect of crucial maintenance tasks that help prevent DPF problems. For example, regular oil changes are important for maintaining engine efficiency and reducing soot production, which can help prevent DPF blockage.
When a DPF becomes blocked, it can trigger warning lights on the dashboard, reduced engine power, or even force the vehicle into a "limp mode" to protect the engine from damage. In severe cases, a blocked DPF may require professional DPF CLEANING or replacement to restore proper function. Regular maintenance, proper driving habits, and using high-quality fuel can help prevent DPF blockage and prolong the life of the filter.
Thank You