High EGT?!?!?! WTF is going on? - Ford Powerstroke Diesel Forum
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Old 05-11-2011, 01:12 PM
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Exclamation High EGT?!?!?! WTF is going on?

Ok so I finally got my H&S black max installed last week, still have the DPF and I was wondering a couple things, first off what egt temps are normal for the "Hot" setting? I have been seeing 500-650 cruising around but then a few days ago driving down the hiway at 73mph I see my egts got to 1100 then 1300 they hovered there for about 10miles at which point I turned off the hiway and noticed how sluggish it was being, so I stopped and the egts dropped I let it sit for a minute then took off and everything worked as should. It has done this 3 time now. I don't like seeing 1300 degree egts just cruising down the interstate. Also cruising down the interstate my boost is low usually around 1-6 psi. But if I get on it I can get about 28psi. Did I go into regen? Its also been doing that high-idle thing allot. Thanks in advance.
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Old 05-11-2011, 01:20 PM
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well the reason your still seeing high EGT's is because the DPF is still on.... pull it off and it will allow the exhaust to flow more freely and your EGT's will drop dramatically

-Raul
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Old 05-11-2011, 01:20 PM
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double post....
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Old 05-11-2011, 03:15 PM
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If the dpf is still on thats why you are seeing 1300+. Even stock trucks see 1300-1400 with the dpf on during regen.
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Old 05-13-2011, 10:56 AM
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Your boost seems really low too.(to state the obvious). I would definitely get rid of the DPF/DOC. Running your tuner on the HOT setting probably clogged the DPF up in a heart beat and it's going to spend a lot of time in Re-gen. I would also check your IC boots if you're still getting that low of boost pressures. Either there's a leak, and that's the best place to start looking or maybe your computer has gone in to some sort of safe mood because the DPF is clogged. Just guessing at this point.
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