As the engines age and a bit more oil gets past thepiston rings and turbo seals, this residue can coatthe DPF with a by-product that is more difficult toremove. Driver got a little offended with me. Are you using the correct low ash engine oil?Also there should be two sensors to measure the pressure drop across the dpf. I pulled over and thought may as well do it manually as I’ll be stationed for an hour or so.. Regen bars are still full and nothing has been done. the stealers, sorry Dealers don't seem to be any the wiser to how they are going to rectify this but are getting restless in their seats as they are paying for this under warranty. posted 2016-Jul-13, 7:10 am AEST O.P. I can do the DPD delete on the 4HK, 6HK and 6UZ models, but not the Giga's. We have an Isuzu FVD 1000. The DOC, or diesel oxidation catalyst, and the Scr catalyst. If you are interested to join me please email me at marcia@qldcg.com.au. First off when driving highways speeds, it does a regen about every 125-150 miles. feel the turbocharger could be interfering. The new filter was put in by an Isuzu service centre and they started a manual burn with the new filter BUT didn't finish the manual burn – just stopped it part way in (so we wondered if this could be a problem but others said no.). ExpeditersOnline.com is the Internet's leading information and resource provider for the expedited transportation industry. If your still around is this truck a Giga model? 280km, 50km, 200km, 40km, 80km, 280km, 30km, etc. If this is the case, get them to clean the intercooler and other pipes of leaked oil as well. The DOC may have a separate issue, or it can be a software issue (did you check for possible updates?). he was't happy but paid the bill. I was called for a bus that wouldn't start last summer. Thanks for the two sensible replies. This solution is available for the entire Isuzu truck range, for bookings contact us today. I have an 2008 NPS 300 4X4 with just 124,000 odd Km's with DPF/DPD problems. My feeling is that this extreme irregular regen rate indicates a computer problem but we have one service centre that wants us to put in new injectors and turbocharger (even though the injectors tested OK), one who thinks it's a loose wire somewhere (but not sure how that fits the symptoms) and one who has never heard of it before and has no idea and says just keep driving and see what happens. Found turbocharger bypassing oil and wastegate frozen. To give you an idea that Mann Hummel Provent 200 (don't buy pretenders) will pull around 180-200ml of crankcase blowby oil out of the intake system over the 12M/15000kms service interval and even if you don't have an egr delete setup it won't be adding to your inlet manifold or DPF clogging. Can you do a log file of the truck while its happening and post it please? is everyone that's having problems getting the repairs done by an Isuzu dealer, I’d be going to the Isuzu dealer in the first instance. They're checking the wiring out at the same time but feel the turbocharger could be interfering with everything else. I've already spent 6500$ trying to fix the problem n still the engine light is on. the other not a fault to be had. The service centre who replaced the filter thought it was a sensor problem, so that was replaced. When you are looking at 30 grandfor a basic diesel 4wd engine, it's not unreasonable toexpect long life. Installed OE turbocharger and replaced map sensor (I broke the original taking it out to clean) No vacuum leaks detected. A commercial quality scan tool in the hands of a capable technician will be the most powerful diagnostic tool here, along with the specific service information. I think this will solve my code issue since turbo is spooling at a high rate at the 1800 rpm idle. If the ECU has a bad earth or ground at one earth point it may not affect normal drive but may affect other electronic components such as dpd pressure sensor causing the voltage to be out and cause the sensor to read incorrect and give the ecu a bad reading. I had an FRR600 where the had become a problem apparently the former ownewr every time it came up to do a burn turned the engine off in the end I think the computer just gave up trying .Took it into Isuzu ballarat and they reest the computerbut also changed part of the exhaust system as apparently they are prone to splitting which can alter the burn procedure. Doesn't solve your problem now. Would really like to know if they solved it, I am experiencing same problem :/ I used to get 260km burns then 1 day smoke started pouring out I fixed everything bellow smoke stopped but now regen coming at lower then before 140km 180km 200km 160km etc and very sluggish on regen, Except I just replacedNew injectorsNew egr New egr coolerNew oil coolerDpf filter ultrasonic cleaned back to NewNew suction control valveNew differential pressure sensor, Not looking good as they're talking off-road only which likely means DPF delete-, "Neerabup Diesel Services assist our clients with repairs to their DPD systems and also offer a permanent solution for offroad vehicles such as those utilised in mining and exploration applications. It may not display this or other websites correctly. With the new filter, it began irregular burns. The big problem is no one gets them cleaned.Isuzu servicing gets them sonic cleaned every 100,000kms but hardly anyone does them. All well and good to do a delete until it gets a love note from the RMS for a pit and emissions inspecton, Hello, just wondering if you found out the cause of problem as this is happening to us now. Isuzu 2011 NQR 450 290 000 Km. An air leak will cause a rich mixture and too much smoke. Last time i had issues like this it was the injectors. lea-o. ExpeditersOnline.com® is a registered trademark of On Time Media, LLC. The only thing that we have been told that could be causing it is a leaky EGR or the computer needs to be reconfigured, or reprogrammed. There are DPF cleaning services if you search around- https://www.dpfregen.com.au/diesel-truck-dpf-cleaning-sydney/and you have to do a bit of homework on maintaining your DPF-http://www.oilem.com/dpf-cleaners-and-dpf-cleaning/and no doubt cleaning machine technology is advancing with the size of the problem. we have had the EGR valve cleaned and replaced. You must log in or register to reply here. I have a 2012 Isuzu NPR-HD with approx 90k miles and am having issues with DPF regen and Catalytic Converter. The bars in the display that should climb fairly regularly from none, one, two and so on as the soot filled the burner, would do as expected for one burn, going out to about 280km, then next burn would go to one bar, then jump to four and five bars and then burn. I could kick myself. They tell me VW were experimenting with that idea but alas... Trouble is all new diesels will have DPF filtering as part of the emmisions standards My mate bought a Landcruiser v8 about two years ago and wanted to buy a new one and was told it would have DPF from 2016 he's now bought a Dodge2500 but can remove the adblu if it becomes troublesome.Mine is a 2011 silverado and the adblu caused no end of trouble had the truck chipped no more problems. The longer the filter is in service the amount of ash builds and negatively impacts back pressure and the rest of the follow on effect, It'll get to the point it'll have to be removed to be cleaned or replaced if not a serviceable type. Has anyone got OP email ? If there is no traffic and moving ok, there is no issues. from July 2016; to September 2019; last updated – posted 2019-Sep-17, 8:57 pm AEST posted 2019-Sep-17, 8:57 pm AEST User #396911 8 posts. This will make its way into the engine and cause the same issue after the repair. You can its in the setting but mine would do the burn every 250 to 300 k's automatically and to be honest you hardly notice it usually between ten and fifteen minutes for the Isuzu. I just thought someone may have come across a similar problem before. Thanks that makes sense for the p2463, that was the day he drove it back when couldn’t get manual regen to work on the side of the road.

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