VAG DPF is so useful for this sort of thing.
As has been said, the car won't usually regen until the bar get's closer to 100% (usually about 22 to 23g of soot mass is the trigger point).
Having said that, the red `timer` icon at 70% means that it wants to regen and is waiting for the right time to do it. Would suggest a possible incomplete regen before.
The
really scary figure is the regen duration. 210 minutes or over 3 hours. That should read zero when a regen is complete and during a regen it can take 10- 20 mins depending on whether you are motorway or town/stop-start driving. During a regen this counts up and resets to zero when regen is complete. For some reason, your car has been trying to complete a regen for nearly 4 hours. That's not right.
The good news - your oil ash residue is only 32%. That's good. That's the leftover soot from a DPF burn that sits in the DPF. When that gets close to 100% your DPF needs changing/cleaning. Yours is fine. DO NOT pay for a DPF clean.
You are now at 100%+5% and the regen is deffo due!
Your car can only regen if certain criteria are met:
- Coolant temp
- Various other sensors are happy
- Over 1/4 tank fuel (sometimes overlooked)
- Low oil (not sure if this is factual or `worth checking`)
There are also other factors that influence the regen activation.
I found this all out when I had my engine carbon cleaned. Got the full diagnostics and an explaination about common DPF issues. Your car won't regen if certain parameters are not met and you'll end up with the DPF light on again. The car wants to regen but can't. A lot of people then pay a lot of £££'s to have a DPF clean, when VAG DPF clearly shows that your is ok in terms of ash residue but it does need to complete a regen.
I was told that a lot of things (including those above) stop the car doing a regen. So a sticky thermostat stops the car getting up to temp, it won't regen, or the MAF sensor (I think) or a temp sensor is wonky (i.e coolant), the car won't regen.
As well as the diagnostics, shed loads of DPF
help, I also got a full carbon clean and it only cost £100 (and he comes to your house). If your car has faults he won't do the clean but will tell you what to do to sort it out and then come back and do the clean. Best £100 I ever spent on my car.
Your car wants to regen but can't and something is stopping it.
What to do? Check fault codes and get someone who knows what they are doing to check the other `what stops a regen` factors. Some you can probably do yourself.
I've got screenshots of a healthy `proper` DPF regen using VAG DPF. I'll try to post some up.
*EDIT* On-line search brings up these potential causes of your fault code
- Defective DPF
- Defective exhaust gas temperature sensors and/or related wiring
- Defective exhaust backpressure sensors and/or related wiring
- Excessive oil consumption
- Over fuelling conditions as the result of leaking injectors or excessive fuel pressure
- Corrupted or defective software that affects injection timing and injector pulse widths
- Defective catalytic converter(s)
- Defective reductant injection system
- Failed or failing PCM, but note that this a rare event, and the fault must therefore be sought elsewhere before any control module is replaced
