Originally Posted by
Kiels3927
I'm getting thoroughly confused as usual.
Was a time when I ran my 2007 Comfortline TDI auto pretty much exclusively on Shell. We shop at Coles, their pump is closest & when I travel down the Newell Highway, they seem to have the keenest prices & accessible low flow pumps. However, when I popped the sensor that looks after the particulate filter (I'm a user, not a mechanic these days - can't remember the name), the shop that replaced it & (naturally) did a regen then told me that Shell is too sulphury for the filter & I should use BP & Caltax. Since I've done that (& it hasn't hurt the wallet since the ACCC got into Coles & Woolworths), my around town economy seems to have got a tad excessive & it's maybe half a litre less sharp on the highway. That was 10-12000ks ago.
I followed a thread on tuning to a site sponsor, Greg Roles & he said back a few years now:
Big fan of Fuel Doctor because it's fluro green. Big fan of Moreys Diesel smoke killer, for it really does what it says as far as reducing soot. Unless the VW dealer has special equipment or actually removes the injectors and ultrasonics them, I suspect all they did was what you can do yourself with a can of LiquiMoly Diesel Purge from Supercheap for about $20. I hear of people charged $200 for the same thing.
Running BP or Caltex can largely alleviate the need for such drastic measures in the first place as well.
So, I seem to be using the right fuel now, but is Greg's advice to purge the injector system with LiquiMoly Diesel Purge still a good first IA to recover the economy I used to have? I have around 100000 on the clock.
Thanks, John
Did some 2007 Comfortlines (103's)come with DPF's fitted??
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