How To Clean Nox Sensor Semi Truck
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I was seeing check engine lights but they come and go . Been dealing with this for over 2 months nothing happens to truck and aye I did take information technology to mechanic he did replace what the codes said like putting new Nox sensor and also he dumped the Def and put new one I did non apply majority but Box boxes of Def so I yet get them lights here and in that location. Today I noticed and my engine sounds unlike with these lights now. What tin can exist incorrect or what should I do next to get information technology fixed ?
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seriously, take it to another shop.
nosotros apply the bulk containers of DEF equally we get onsite fueling. if the fuel truck has his supply of DEF, they make full our tanks, so that too is bulk.
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Time for a new mechanic. Codes NEVER tell yous to replace anything. A computer tin only tell you what's going on in a circuit, which includes, sensors/switches, wiring and plugs. There is a diagnostic procedure to follow to place the problem. An intermittent problem like yours is the toughest to pinpoint. The exact fault lawmaking (SPN and FMI) will help, also whatever matter else you can tell u.s.. Is in that location annihilation design or conditions that may be associated with it? Similar does information technology do it more in rainy or damp conditions vs. dry out weather? Cold/hot? Loaded/empty? Bumy vs. shine roads? Anything you can say most the fault is some other clue that may help.
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What twelvemonth is your truck. I accept a ghg14, 2016 Cascadia.
On this model of emissions there is a petty tiny def fluid filter that is in the def line right where it goes into the ane-box. Information technology can get a build up of white slime that inhibits the amount of def going into the bedchamber and requite these sort of codes. Called a def Doser inlet screen.
Just a thought and piece of cake to bank check out.
https://ddcsn-ddc.freightliner.com/cps/rde/xbcr/ddcsn/608-xiv.pdf -
You can avoid the white slime past keeping your DEF tank full.
Reduced tank levels cause crystalized buildup in the tank that falls off and produces the slime you describe...
Oxbow and uncleal13 Thank this. -
And how abt the once I already take in tank is there a manner to remove from now then I can avoid ?
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Mechanic never really told me to change whatever function simply they said it's the best and inexpensive style to tell of you need to change or something big is incorrect like removing the whole role or something ..
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Thanks.. but is there way to remove that past putting something in def tank? And I however take nox sensor code. It goes NOX CONV EFF 01
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There's naught "all-time" or "cheap" about this. Y'all've inverse parts and however have a problem. Blindly throwing parts at it is the worst and often most expensive way to set things, the exact reverse of what your mechanic told you lot.
What nosotros need to assistance you lot now is the SPN and FMI of your mistake lawmaking. It looks to me like you do non have a NOx sensor mistake at all. NOx Conversion efficiency is more of a logic error, not a sensor problem. From the limited information I have, I can guess that your NOx sensors are working correctly, merely information technology is not sensing enough of a NOx reduction. Meaning you have a trouble in the SCR system. Could be many things, about common would be a chock-full DEF doser. If your DEF quality is good, a partially chock-full doser could be giving a bad spray pattern and reduces NOx conversion efficiency.
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If it is a DD15 Detroit, can be as bad equally a worn out SCR oxidation coating of the catalyst. If that were the case the whole one-box would have to be inverse.
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How To Clean Nox Sensor Semi Truck,
Source: https://www.thetruckersreport.com/truckingindustryforum/threads/bad-def-quality-and-nox-sensor-check-engine-lights-but-they-come-and-go.482602/
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