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Re:
You don't need to be worried about stopping the engine mid-cycle. The ECU will recognize this and will program for the burn to recommence at next opportunity.
I too have found the fuel consumption actually seems to improve with occasionally putting the foot down. My mechanic tells me that getting the turbo going by using a little bit of foot helps the engine to breathe better and thus far it seems he's right. Also, your fuel consumption will steadily improve as your engine loosens up from new.
It is not unusual to not always notice the fuel consumption increase. As I said, the DPF burn takes only a matter of minutes and you won't normally know when it's happened. From outside, a motorist travelling behind you will see your exhaust make a puff of whitish smoke as the DPF burn completes. Watch another modern diesel car and you will see this.
No point in having a monitor as most modern diesel cars have DPFs and none of them have a device that tells you that the burn is occurring - Audis, VWs, Mercs, Renaults, Citroens, Skodas and BMWs (to name a few) have DPFs in their diesel cars to comply with Euro IV/V standards.
Chill out matey - a number of ECU upgrades have gone into the M9R engine since your friend's 2008 model and the technology has improved. Not to mention the lower sulphur content in the diesel - it used to be up to 30ppm prior to 2009, now it's down to a max of 10ppm. That makes a huge difference.
I note you have an auto TL like me. If you simply let the gearbox do its job without trying to firce it into top gear then it will operate just fine! Don't bother about the monitor.
Mark
Last edited by Exywarrior, 28/Aug/2013, 10:51 pm
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Mark T
2011 Series 4 T31 TL Auto - Twilight, factory towbar, factory mats, tinting, Cooper CS5s, cathodic protection, paint protection, yada yada...and no Provent
X-2099
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28/Aug/2013, 10:48 pm
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Re: ODB II monitor to show DPF burn
Hi Guys, you must use the correct oil in us, and drive us like you mean it, give us a bootful and take us on long drives, never let us idle for to long either, and use quality diesel.
Dad always uses Caltex Vertex Premium, I rarely go into DPF burn, the dealer was surprised at how clean mine was, until Dad told him he always keeps me on the boost and uses quality fuel.
A few cents extra on fuel is cheaper than big maintenance bills in the long run, same goes for using the right oils.
Also if you fit a turbo timer, don't let it run for too long, it will add to the problem.
A big problem no one has discussed yet is varnish in diesels, if left to idle to long or not worked hard it will kill us, and clog our bores and make our rings stick to our pistons, not good.
So never let us Idle, keep us on the boost as much as possible, and be sure to give us a bootful every now and then, in other words, drive us like you stole us, LOL, and take us on long drives every now and then, we love it, and you'll love it to, especially your lower fuel bills and lower servicing bills, and longer engine life. You just don't want to price a rebuild, unless you have a strong heart and deep pockets!
So treat your diesel Exy right and it will serve you well, treat us bad and it will serve you right!
Well I'm off to get Muddy, Tread Lightly, stay upright, and give your exy a much deserved BOOTFUL every now and then, I love it, Augustus the X Trail 
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31/Aug/2013, 10:53 pm
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Re:
This is an extremely old thread but didn't want to create a new one with exactly the same subject.
So, has anyone managed to get an OBDII monitor to identify DPF indicators? It looks like the basic tools like Torque etc don't detect any data when scanning the standard DPF codes so it sounds like the Xtrails probably use a custom code.
If anyone has any info on this (for T31 TL) i'd appreciate it as i've not managed to find too much when looking around the internet.
Cheers
J
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12/Feb/2017, 1:03 pm
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