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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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Euro 5 D5 - DPF regen, how often?Views : 3756 Replies : 10Users Viewing This Thread : |
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Jun 28th, 2021, 21:18 | #1 |
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Euro 5 D5 - DPF regen, how often?
Hi all,
Does anyone know a ball park mileage you’d expect the DPF in an early E5 D5 (205bhp) to regenerate? I’ve been chasing what I perceive to be poor mpg since I got the car last summer, with COVID it’s not seen a lot of use (like most others I guess). Anyway now I’ve been able to get some mileage up, I’m using an ELM327 and a car scanner app to monitor the DPF soot level and see how often it initiates a regeneration cycle. I’ve found that with 85% motorway driving at 75ish (adaptive cruise set to 75 so it’s up and down a bit with traffic) the DPF is full and regenerating at around 330 miles. Not had one of these ‘modern’ diesels before, so unsure if this is expected mileage to fill it with soot, I have a mild turbo whistle that I can hear with the window down, and am wondering if I’ve a mild boost leak somewhere. Vida not showing any related codes, Car is as per my sig, but approaching 174,000 miles now. |
Jun 29th, 2021, 14:04 | #2 |
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keep an eye on your oil levels to high can affect dpf regens and soot messages
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Jun 30th, 2021, 06:52 | #3 |
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Mine does it every tank and a half or approx 1200kms.
The scanner app (Car Scanner) suggests it the DPF gets up to about 25 to 30gms of soot before it does a burn. I do a mix of city commutes and highway. It will do a burn regardless of the driving conditions. |
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Jun 30th, 2021, 08:39 | #4 |
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To corroborate Aus2012XC60's post:
I once did the math on my XC90 D5, based on the data published in VIDA, and it showed that the DPF will fill up and trigger a regen cycle at every 1 to 2 tanks of fuel. Match confirms real world observations, isn't that fantastic!
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Jun 30th, 2021, 18:15 | #5 |
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That’s useful, mines regenerating too often and is showing 25-26g of soot when it starts. Guess I’m hunting for a small airleak somewhere - most likely down the back of the engine.
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Jul 15th, 2021, 15:47 | #6 |
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Is it possible within VIDA to see when regen last took place? While I am dealing with a swirl port oil leakage I've read info that with the flaps not operating properly automatic regen may not occur? I know with VIDA you can force a regen. Wondering if I should do this or no?
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Jul 27th, 2021, 14:47 | #7 | |
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Quote:
The most recent regen was at 516mls
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Jul 28th, 2021, 19:13 | #8 |
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Been watching it on ‘car scanner’, it seems to go into regen at around 26-27g of soot which seems to be anywhere between 330-430 miles on a steady motorway run. I can also hear the turbo whistle quietly if I have a window open, so guessing there’s a minor leak in the intake pipe work somewhere. May just get it in the garage for a smoke test, tried a DIY job but wasn’t too successful.
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