Quote:
Originally Posted by 47p2
remove it from the ECU using Vagcom?
Reason being I have been reading about low ash oil required for cars fitted with DPF, I've also been reading that low ash 0W-30 oils can cause premature cam wear. Personally I am not keen on 0W-30 oils as I feel they are just too thin and don't provide enough protection, so I would like to start using 5W-40 505.01 spec oil instead. So now I would like to code out the DPF and remove the filter.
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Reflash needed for removal. You need to do both at the same time physical removal and software. A8 Doc and mkoneman should be able to do software side. Probably best to do together with remap.
There is nothing wrong with 0W-30 oil for everyday use. Cam wear was a problem with V6 2.5TDI engines. This was combination of design, higher then now sulphur content in diesel, incorrect oil usage and long service intervals. Using long life service and doing little miles in short distances causes oil dilution with diesel over time. If you change it yearly there should be no problems. And 3.0TDI(as does later 2.5) uses roller rocker arms so no cam wear issue. 0W-30 PD oils have high pressure additives which ensure there is no metal to metal contact and reduced wear on components.