2013 Volvo D13 Engine Aftertreatment Faults SPN 5298 FMI 2

Toke1968 · Mar 18, 2020

jrsepp said: ↑

Over the last year, I have spent thousands of $$ in dealer charges for troubleshooting various aftertreatment system faults and issues. In April, dealer found SPN 4094 FMI 18 (Nox limits exceeded), SPN 5298 FMI 2 (Diesel oxidation catalyst conversion efficiency - data erratic, intermittent, or incorrect), and SPN 5394 FMI 17 (aftertreatment DEF dosing valve - valid but below normal operating range).

In April, Dealer went ahead and tested DEF fluid, EGR mass sensor, installed new 7th injector, cleaned the DOC and DPF, and performed regens. They also performed manual regen. Throughout summer, vehicle has ran fine for the most part. With recent spout cold weather, got the SPN 4094 FMI 18 (Nox limits exceeded) fault again and threatened to derate. Performed parked regen. Now, SPN 5298 FMI 2 and SPN 5394 FMI 17 faults are back. It also seems that after driving and pulling over, I am getting a high exhaust gas temperature light on the aftertreatment turn on. Engine seems to be running hot.

I believe in the past year, I have also had my DPF baked, and various EGR components replaced. I have spent several hours on researching this issue, and going to dealers takes a lot of time, cost, and they never seem to get to the actual cause of the issue (just replace a lot of things, trial and error). Based on my research, I suspect any of the three following culprits: a) exhaust gas temperature sensor (T1) or DPF temp sensor (T2); b) discharge recirculation valve (DRV) stuck open or closed; or c) DRV air solenoid not working.

Wondering if anyone else has had a similar issue and how it was resolved, or what you would suspect should be checked. Temp sensors seem to read fine, but I don't have access to the actual readings without going to a dealer. I suspect DRV not working since it controls the exhaust temperature. Ideas, thoughts?
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Toke1968 · Mar 19, 2020

I have a 2011 Volvo with a d13 engine, I've been having the exact same problems, everytime I take it to the dealership all they do is change parts, I've replaced everything except the dpf pump on this truck and it's still doing the same thing.. the codes 4094 ,5394,and 5298 I don't believe Volvo even knows how to fix this problem....

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