04-6.0 egr valve unplug/bypass - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 09-23-2009, 08:08 AM Thread Starter
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04-6.0 egr valve unplug/bypass

So I looked but did not see a definitive answer. Do you guys recommend unplugging the egr valve on a stock truck (straight piped). Does it have any ill affects or just positive and what are the good and bad sides? thanks a lot.
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post #2 of 11 Old 09-23-2009, 08:32 AM
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It can be unpluged it wont hurt anything. It still can be pulled open durning high boost levels.

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post #3 of 11 Old 09-23-2009, 09:42 AM Thread Starter
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is it true that it postpones egr failure, both cooler and obviously valve?
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post #4 of 11 Old 09-23-2009, 10:24 AM
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no thats not true, the EGR cooler can still fail even with the valve unplugged.

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post #5 of 11 Old 09-23-2009, 11:14 AM
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post #6 of 11 Old 09-25-2009, 01:37 PM Thread Starter
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alright...I have also read that some guys say they are losing some boost when they unplug the egr, is this possible. I dont have gauges yet, so I dont know what kind of boost I am making right now anyway, but I know I dont want to lose any. although I would like to know what I am making. My truck doesnt run bad at all to me, but it doesnt really pick up and go until it hits the 2000 rpm range, below that it isnt really doing much. Is that pretty typical for the early 6.0's. Sorry for all the Q's, I am just trying to figure out how mine stacks up against the status quoa. thanks.

2006 Mega Cab Cummins, 6-speed. Stock
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post #7 of 11 Old 09-26-2009, 10:01 AM
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so no problems with unplugging the valve? except codes
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post #8 of 11 Old 09-26-2009, 01:40 PM
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all you get is a check engine light on the newer trucks. imo unplugging isnt a bad idea but it doesnt help or really fix anything

-Evan

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Yeah, but your trucks a freak of nature...
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post #9 of 11 Old 09-26-2009, 04:41 PM
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I have had mine unplugged for 3 weeks on my 05 and I haven't noticed anything different. My understanding is that unplugging it keeps it from operating and it may set off a check engine light or a code or two related to the egr. I haven't had any codes or check engine light pop up. I was told to unplug it when the truck is off so that the valve is in the closed position. I have ordered a SCTx3 from Cale at BTS and it comes with the egr delete and 3 custom tunes and no codes will be set off with the egr delete.
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post #10 of 11 Old 09-26-2009, 05:17 PM
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Quote:
Originally Posted by foglybon View Post
I have had mine unplugged for 3 weeks on my 05 and I haven't noticed anything different. My understanding is that unplugging it keeps it from operating and it may set off a check engine light or a code or two related to the egr. I haven't had any codes or check engine light pop up. I was told to unplug it when the truck is off so that the valve is in the closed position. I have ordered a SCTx3 from Cale at BTS and it comes with the egr delete and 3 custom tunes and no codes will be set off with the egr delete.
i was going to say if you have an sct it wont throw a code. and if you read up a few post Adam already said that it doesnt stop it from opening under pressure. so unplugging it doesnt really do much imo.

but you could weld the valve shut so it doesnt open at all

-Evan

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