Ideas why Pyro reads 2500+ after DPF delete MBRP Exhaust install - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 11-26-2011, 10:45 AM Thread Starter
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Ideas why Pyro reads 2500+ after DPF delete MBRP Exhaust install

Installed a MBRP DPF delete exhaust and updated my H&S Software to reflect the changes and now my Pyro reads 2500 f + after 5 minutes of driving. The coolant is around 150-190 so the engine doesn't appear to be hot. I just don't see how anything with the stock exhaust removal could have had something to do with adding 1500-2000 degrees f to the EGT's.

Also, my mileage didn't increase ANY after the new exhaust and update.

H&S wants me to call Monday, but I can't help but ask now.

2014 Ram 2500 MC Limited Black/Black, 295/65R20 Toyo AT2Ext's, Thuren 2.5 Springs, Fox/Thuren 2.0 ITP Shocks
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post #2 of 13 Old 11-26-2011, 12:00 PM
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Did you use either the Factory Pyro Option in your EGR Block off Plates, or buy an H&S Tuner with the Pyro option? If not, you're not getting any accurate EGT readings from anywhere and you need to change your tuner to not monitor Pyro 1 or 2

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post #3 of 13 Old 11-26-2011, 03:50 PM Thread Starter
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So before the EGT readings were coming from the factory exhaust and all the probes that came out of it when I remove it?

I figured the factory pyro was up the downpipe somewhere that is not visible. I do not have the egr blocker plates. I may have gotten the MM with the pyro option, but no one told me about it when I had the MM installed(along with a AFE stg2).

How important is it to have an accurate pyro reading? It seems like it should be very important for the tuner to have that information to provide the most accurate mapping.

It's terrible that H&S didn't mention in the manual anything about turning off the factory pyro or defueling after a dpf delete. That is something that should be put in the manual. When I started up the car, I thought something was seriously wrong, and it caused me a lot of grief trying to figure out what to do. I did get some support from there website forum but not much. At least nothing that was reassuring that I wasn't melting my turbine.

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post #4 of 13 Old 11-26-2011, 04:21 PM
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Yep, there is your problem. Buy the EGR blocker kit (30 something bucks) and use a probe from your DPF. All will be good.

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post #5 of 13 Old 11-26-2011, 04:27 PM
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Here is a link
Rollin Smoke Diesel. 2011 Ford 6.7L EGT Kit

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post #6 of 13 Old 11-26-2011, 07:26 PM Thread Starter
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Okay great. I got that ordered. I am surprised it is so cheap. This isn't listed under the 6.7 PS on their webpage, so I appreciate you digging this up. What's the difference in performance or MPG between this kit and the ~$150 one the removes the assembly?

Thanks for the help SGT

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post #7 of 13 Old 11-26-2011, 09:56 PM
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This blocks the egr off where the $150 kit removes the entire egr cooler off of the passenger side valve cover. I just ordered my egt kit as well.


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post #8 of 13 Old 11-27-2011, 05:45 AM Thread Starter
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Will this blocker plate increase MPG? Shouldn't I have seen an increase in MPG with the removal of the exhaust?

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post #9 of 13 Old 12-03-2011, 02:41 PM Thread Starter
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Got the blocker plates I stalled and put in a probe from the old exhaust and plugge in where the oil cooler probe used to connect to the harness and everything looks good. The truck has been idleing at about 265* and most times only sees about 700.

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post #10 of 13 Old 12-03-2011, 02:57 PM
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Quote:
Originally Posted by TXGold View Post
Got the blocker plates I stalled and put in a probe from the old exhaust and plugge in where the oil cooler probe used to connect to the harness and everything looks good. The truck has been idleing at about 265* and most times only sees about 700.
You should be GTG....All is well!

Wayne

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