What are normal NOx sensor readings?
As far as I know all testing is done via scan tool. With no DEF doser operation both inlet and outlet should read close to each other. When the injector is activated outlet nox should drop at least 70%. Normally under steady cruise the nox sensor on a duramax or ISB cummins is around 200-300 ppm.
Is the BlueTec NoX sensor too high or too low?
– 18B900 (stored) The variation between the measured signal and the calculated signal of the NOx sensor upstream of the SCR catalytic converter is too high. NO fault codes at all in control unit SCR.
What are the most common Mercedes Benz NoX sensor issues?
P220F77 – The heater of NOx sensor 2 (cylinder bank 1) has an electrical fault. The commanded P229E11 – NOx sensor 2 (cylinder bank 1) has an electrical fault. There is a short circuit to ground P13D-F09 The AdBlue system has a malfunction. There is a component fault. P229F-62 NOx sensor 2 (cylinder bank 1) has a malfunction.
What is the p204f code for BlueTEC NOx sensors?
The p204f code is just what the computer thinks is going on. I had these, lack of boost due to wastegate stuck open and a myriad of sensor failureswhich all caused a limp home mode condition.
Why do I need to replace my NoX sensor?
In both instances of these diagnostic codes showing up, you may need to replace your NOx sensor. These codes indicate that the NOx sensor A (for U029D) or B (U029E) is not communicating with the other control modules in your Mercedes. The most common reason for failure is a circuit fault. If you experience this issue, you
When to replace NoX sensor on 2016 BlueTEC?
2016 BlueTec, took delivery on Nov. 2015. Did DIY engine oil change on Nov. 2016 using Valvoline 5W-40 MST. Had a first CEL with fault codes P229F, P2201 in Aug. 2017 at 6.4K miles. Took to dealer, replaced both NOx sensor under warranty.
How to replace a NoX sensor on a Mercedes?
1, email Mercedes direct asking if found to be a NOX sensor will they replace it free of charge. It’s a known issue. They will insist dealer diagnose the issue. £200 is way to high but agree with them if it is that issue they will cover all costs.
Is the NoX sensor on my Merc under warranty?
Discussion in ‘ Engine ‘ started by peterb2428, Oct 3, 2018 . Have a 2015 e220 merc which a few months back had a NOX sensor replaced under warranty due to failure and eml light on. Phoned Mercedes as car now not under warranty and already hearing excuses like might be the other NOX sensor.
In both instances of these diagnostic codes showing up, you may need to replace your NOx sensor. These codes indicate that the NOx sensor A (for U029D) or B (U029E) is not communicating with the other control modules in your Mercedes. The most common reason for failure is a circuit fault. If you experience this issue, you