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Old 04-25-2013, 03:46 AM   #11
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Default Re: The Regen Thread - Post your regen data here

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Originally Posted by flman View Post
Actually, my boost goes negative during regens? Must be a lot of back pressure in the exhaust and it sounds like it too. I snapped a pic of my UG, boost was -1.02 at idle.
Yeah, I noticed that on mine too. I think it made it close to -2psi at idle
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Old 04-25-2013, 11:30 PM   #12
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Default Re: The Regen Thread - Post your regen data here

When ours regens we smell diesel fumes.

What is the difference between Cat 1 and 2 and the sensor banks?

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Keith
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Old 04-26-2013, 01:10 AM   #13
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Default Re: The Regen Thread - Post your regen data here

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Originally Posted by flman View Post
I had another one, of course on the way home. So I just let it idle until the temps dropped back down since I did not feel like driving around needlessly. But it is good to know when it is safe to turn off the key for regens as well as high EGT after mountainous hill climbs. The $70 UG is a good deal, and who wants to play with your phone every time, I just want it to be there like the other gauges.

MB Cargo
2010
17787 miles
Cat 1 901 F
Cat 2 1170 F
Engine 206 F
20 Minutes
Here is the funny part, the next day I had to go on 3 trips each about 15 to 20 minutes long, the van continuously ran regen temps the whole time? I was thinking oh shiet it is stuck in regen, then on the 4th start it finally got back to normal temps?
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Old Crows (04-26-2013)
Old 04-26-2013, 10:29 AM   #14
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Default Re: The Regen Thread - Post your regen data here

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Originally Posted by gary 32 View Post
Never seen that in 5 years.
My boost readings stay in the same general area during regen.
My max boost reads 22psi (+atmosphere) 0 @ idle, what's yours?

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2500 PV low roof
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egt probe 1 1180-650 depending on load
coolant 193-195 depending on load
every 5-700 miles, 12-20 minutes
Gary, the ultra gauge is just reading what the ECM is telling it, so it must be true, and yeah, normally it rans 0 to 20 something PSI, I never took note of the max? As you can see below I am not the only one? The exhaust is slightly different on the 2010's >, could that be why?

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Originally Posted by atulin View Post
Yeah, I noticed that on mine too. I think it made it close to -2psi at idle
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Old Crows (04-26-2013)
Old 04-26-2013, 02:48 PM   #15
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Default Re: The Regen Thread - Post your regen data here

MB
2500 Passenger
2013
6000 miles
Cat2 1150f
20 minutes approx.

My van regens almost every tankful, so I'm seeing it often. I have my Ultra Gauge set to alarm me whenever the Cat2 reaches 1000f so I'm aware of a regen happening otherwise it is difficult to notice. The metals are pinging underneath from expansion so if you exit the vehicle and it is quiet outside, you will be aware of a regen without the use of an OBD scanner. The first regen though was very obvious as I smelled and visibly noticed smoke surround the van at a stoplight. I thought my new MB was on fire. It appears the 2013 model is behaving differently from the previous year models NCV3's.
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Old 04-26-2013, 11:27 PM   #16
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Default Re: The Regen Thread - Post your regen data here

MB
2500
2008
Miles
Cat1f 1250
Cat2f 900
20 minutes

Regards,

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Old 05-01-2013, 01:04 AM   #17
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Default Re: The Regen Thread - Post your regen data here

2013 wagon canadian
10130km
Cat1 575c
Cat2 665c


I noticed when eng lod was below 20% that boost was negative 2-4psi yep negative.

Tool about 15 minutes

Wow that's a lot of regens

I do mostly city diving and some highway
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Old 04-30-2016, 10:15 PM   #18
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Default Re: The Regen Thread - Post your regen data here

Lately I just shut it down regen or not, do not have time to monitor a regen. Not like I am going to keep this van forever.
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