Are there any issues with my 2012 Isuzu NPR-HD?
I have a 2012 Isuzu NPR-HD with approx 90k miles and am having issues with DPF regen and Catalytic Converter. First off when driving highways speeds, it does a regen about every 125-150 miles. If there is no traffic and moving ok, there is no issues.
What is the Regen frequency for Isuzu NPR?
But I am stumped, my local Isuzu “lead tech” is stumped. This truck came in with a p244b – dpf high differential pressure, p2463 – dpf high soot accumulation, p2459 – dpf regen frequency. I perform a forced selective regen. System goes 200 – regen start. Sits there awhile. then 220 – temp rise.
What kind of differential pressure does an Isuzu have?
I have this 2012 NPR, Im calling out more professionals for assistance, seeing as many of my die hards have left the mothership and came here. But I am stumped, my local Isuzu “lead tech” is stumped. This truck came in with a p244b – dpf high differential pressure, p2463 – dpf high soot accumulation, p2459 – dpf regen frequency.
How often does Mil light come on on Isuzu truck?
This issue has happened 3 times in 1 month, the first time was when truck was about 5 hours away, he drove home and it also had code P2463 (Diesel Particulate Filter Differential Pressure Too Low), but that did not occur the next 2 times the MIL light came on. Any thoughts? Thanks for the help! Click to expand…
When to do a Regen on an Isuzu truck?
To those having trouble, what Ive read it seems that the Isuzus are set up to do a regen when the DPF reaches 70% blocked, whereas the Hinos are set up to regen at only 30%, so that if you delay a regen in an Isuzu, the DPF becomes critically blocked and the truck goes into limp home mode.
How does the Regen button work on an Isuzu DPF?
When a manual regeneration process is started, the driver pushes the regen button, the light flashes and then the green light comes on. Untrained operators may think “Oh, now it’s okay to continue driving or otherwise operating the vehicle and the regeneration will continue behind the scenes.”
What are the different types of Isuzu repair manuals?
Our Isuzu Automotive repair manuals are split into five broad categories; Isuzu Workshop Manuals, Isuzu Owners Manuals, Isuzu Wiring Diagrams, Isuzu Sales Brochures and general Miscellaneous Isuzu downloads. The vehicles with the most documents are the Other Model, Trooper and Ascender.
Is there a free Haynes Manual for Isuzu?
We get a lot of people coming to the site looking to get themselves a free Isuzu Haynes manual. There are two things you need to know; firstly it’s illegal, and secondly – there are much better ways of servicing and understanding your Isuzu engine than the Haynes manual.
How does Isuzu make fire in Regen active?
It does make fire now, but it doesn’t always go into the regen. As I said above, it will sit at “200-regen start” forever, then sometime it will start the regen (370-regen active) then a couple times WHILE IN REGEN ACTIVE, will kick out into regen start. I see nothing changing when it…