nox sensor bank 1 location
2011 chevy 3500hd duramax setting p2201 code for bank 1 nox sensor but havent had any luck trying to find out where it is located! my automotive program only states its located in the left rear engine on exhaust! kinda bland reference when there is like 5 or 6 sensor back there!
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unplug them one by one mark them then you know lil bit of work .
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Nox sensor locations
1 Attachment(s)
Not sure if this is what you are looking for :
Attachment 30349 For some reason the picture didn't show up in the PDF file. https://cimg4.ibsrv.net/gimg/www.die...f0873a4c34.png 1. NOx Sensor 1 2. EGT 1 3. Diesel Oxidation Catalyst (DOC) 4. EGT 2 5. Selective Catalyst Reduction (SCR) 6. EGT 3 7. NOx Sensor 2 8. Diesel Particulate Filter (DPF) 9. EGT 4 10. Exhaust Cooler 11. DPF Differential Pressure Sensor 12. Reductant Heater (3) 13. Reductant Pressure Sensor 14. Reductant Level/Temperature Sensor 15. Reductant Purge Valve 16. Reductant Pump 17. Reductant Injector 18. Hydrocarbon Injector (HCI) |
Directly behind the turbo on exhaust discharge, the Nox module is mounted on the firewall directly behind the fuse box on the drivers side, follow the wire over behind the turbo. It's inside the engine compartment if your laying on the cement its the wrong sensor.
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