What do you do when poor DEF quality is detected?
A new DEF filter, EGR tune-up, and a fresh set of NOx sensors can go a long way. It can eliminate the potential of skewed sensor readings or poor EGR performance, and it can assure you that you’ll have the correct information feeding the computer for future diagnosis if the problem continues.
Is there such thing as poor quality Def?
I would think that poor quality DEF would fall under same circumstance as water in fuel. I have heard of some truck stops taking care of the bill, of course there were multiple trucks involved in a short time span so it was obvious. I have heard of them saying sorry for your luck too. I guess hope for the best and expect the worse.
Why do I get a Def poor message?
Def poor seems to be an uncommon message now, with the new sensors in the LML’s and presumably an updated sensor in the L5P. But there are many many threads about the def poor message. Few, if any, tested the def and found it was really the problem.
What does the exhaust fluid quality poor message mean?
An Exhaust Fluid Quality Poor message can be displayed with no DTCs. The Exhaust Fluid Quality Poor DIC message notifies the customer that the ECM has detected a drop in the SCR NOx reduction efficiency. This PI is to assist with vehicles that have difficulty completing the Reductant Fluid Quality Test
What does low DEF Diesel Exhaust Fluid mean?
So Friday I had the “Diesel Exhaust Fluid Quality Poor Message” pop up on the dash with a 100 mile warning. I restarted the truck with no warning. I drove about 25 miles and the “Low DEF” message came on.
When to use def quality warning level 1?
The series of DEF Quality Warnings alert the driver that DEF system service is urgently needed. Warning Level 1 is triggered when the ECM first detects the SCR efficiency is below a calibrated value. The Driver Information Center (DIC) displays the following messages: The messages remain on the DIC until acknowledged by the driver.
How to fix a poor quality Def light?
If I get any more messages about poor quality DEF I will then be able to simply pull the grommet out, insert a hose connected to a push/pull syphon pump I just bought and empty the tank of the crappy DEF, then refill it with new stuff. Will see how it all goes next week when the dealer looks at it. Re: Poor quality def light?!?!?!? UPDATE….
Def poor seems to be an uncommon message now, with the new sensors in the LML’s and presumably an updated sensor in the L5P. But there are many many threads about the def poor message. Few, if any, tested the def and found it was really the problem.
I would think that poor quality DEF would fall under same circumstance as water in fuel. I have heard of some truck stops taking care of the bill, of course there were multiple trucks involved in a short time span so it was obvious. I have heard of them saying sorry for your luck too. I guess hope for the best and expect the worse.
What does DEF quality derate mean?
What is a DEF derate or an aftertreatment derate? A derate means that the program inside the engine computer limits either the power or vehicle speed. A derate is designed to protect you from causing engine or DPF damage. A derate can be caused by various sensors or systems.
How do you get a Volvo D13 out of derate?
Some Volvos will allow you to temporarily override the derate if you unplug the speed sensor on the transmission. This sensor is either located at the tail shaft of the transmission or if it’s an I-Shift on the right side of the rear transmission.
What happens if you use bad DEF fluid?
It’s surprisingly not uncommon for someone to mistake DEF for regular fuel or another fluid, and put it into the wrong tank in a machine. DEF isn’t harmed by freezing, good news for those who live in colder climates. Because it’s 2/3 water, it begins to turn slushy at 12 degrees Fahrenheit and will freeze solid.
Is there a problem with my Volvo D13?
Morning all, i have a truck 2015 volvo d13 giving me problem on the cluster instrument message “SCR System fault veh speed limited 5mph “ i connected ptt there no fault code loged, same with jpro, i wonder if any one seen something like this? And if any1 know how to reset this gosh instrument code?
What was the problem with my Volvo truck?
Tow to the Volvo dealer in Dallas, TX and same story- no codes, no ideas what to fix. Brought truck back to our shop, bumped into your post and bingo – truck derated due poor DEF quality.
What’s the problem with Volvo’s 5 mph derate?
Same story here – truck in the 5 mph derate, no active or inactive faults, truck was at 3 or 4 different Volvo dealers- nobody can figure out the problem. We replaced ECM at our shop and it got out from that ghost code, but 2k miles later it came back. Tow to the Volvo dealer in Dallas, TX and same story- no codes, no ideas what to fix.
Is the Check Engine light on on a DD13?
We had a customer bring in a 2012 Freightliner with a DD13 in today with a check engine light on. These are the codes that came up: The customer complained that the last time he performed a parked regen the truck blew a lot of white smoke and for a little bit it blew black smoke.