14 cascadia with dd13
Ive been dealing with this issue for about 2 months now.
Warning light pops on, then check engine and flashing def light.
Spn 3364 fmi 2
Spn 5246 fmi 16
Fmi 5246 fmi 15
Spn 4364 fmi 18
A few weeks ago i changed the output NOX. The check light stayed off for the most part but came back. Would stay on for about a minite then go away. Or i could stop and do a regen on it and code would dissapear. Last weekend i changed out the DEF filter figuring maybe this was the issue. Nope. Currently sitting on ramp doing a regen now so i can make it home still.
So obvouisly my issue is still here and i thought i fixed it. What do i look at next?
14 cascadia. 4 codes. Nox, poor def, derate
Discussion in 'Freightliner Forum' started by irishluck09, Mar 24, 2021.
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Given the age of your truck, the catalyst in the SCR part of the One-Box is probably worn out.
That’s all the exact codes I got last spring on mine. Eventually the dealer installed new injectors and a new One-Box, fortunately in my case I still had factory Extended Warranty.
Expect $14,000 bill to replace it.Keepforgettingmypassword, '88K100 and QUALITYTRUCK Thank this. -
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BoostedTeg Thanks this.
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Use pittsburgh power max mileage $140 for a half gallon made my code go away use 1oz per 25 gallons of fuel it makes exhaust burn hotter through the dpf, I have lower soot levels even less regens now. The stuff works I promise. And keeps nox levels better. I replaced every sensor and light was still on. Heard about this stuff and I will never stop using it. No more code
Pittstruck Thanks this. -
Keepforgettingmypassword Thanks this.
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Told you what is going on. I deal with this on almost a daily basis. I sympathize with you because of the repair cost, but it does not change the diagnosis.
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What Do you guys think of the 400HP engines
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