Egr delete symptoms 2004 6.0! - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 07-16-2019, 04:15 PM Thread Starter
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Egr delete symptoms 2004 6.0!

I have an 04 6.0. I’m wondering if there are any side effects to having an egr delete. My tuner allowed me to clear egr codes. I have read a lot about newer trucks, but in an 04, what actually happens when an egr is removed?? Thanks!

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post #2 of 16 Old 07-16-2019, 06:06 PM
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When you remove the egr cooler you prevent exhaust gas from being put into the intake.


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post #3 of 16 Old 07-16-2019, 06:32 PM Thread Starter
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Originally Posted by powerstrokeshellback View Post
When you remove the egr cooler you prevent exhaust gas from being put into the intake.

Yes that I know. To be more specific: cooling fan function? VGT operation? Any “side effects”?

2004(.5) F250 XLT
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post #4 of 16 Old 07-16-2019, 08:04 PM
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I've had mine done for about 4 years or so. Havent noticed anything wrong with doing it. But I'm still figuring out other small quirks as well. But I've been lazy and havent driven truck much

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post #5 of 16 Old 07-17-2019, 02:12 AM
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Doesn't the EGR valve sense flow into the intake?? So that would cause the system to "see" the EGR cooler is not functioning properly (read: clogged) and throw a code...right?


So that's going to cause more than just a few things to happen while driving.



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post #6 of 16 Old 07-17-2019, 07:01 AM
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Doesn't the EGR valve sense flow into the intake?? So that would cause the system to "see" the EGR cooler is not functioning properly (read: clogged) and throw a code...right?


So that's going to cause more than just a few things to happen while driving.
it only senses egr flow.

remove the cooler and keep the valve plugged in and the truck will operate correctly.
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post #7 of 16 Old 07-17-2019, 02:37 PM Thread Starter
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Quote:
Originally Posted by powerstrokeshellback View Post
Quote:
Originally Posted by HeavyAssault View Post
Doesn't the EGR valve sense flow into the intake?? So that would cause the system to "see" the EGR cooler is not functioning properly (read: clogged) and throw a code...right?


So that's going to cause more than just a few things to happen while driving.
it only senses egr flow.

remove the cooler and keep the valve plugged in and the truck will operate correctly.

Thank you! That’s exactly the answer that I was looking for.

2004(.5) F250 XLT
arp studs
egr delete
egr cooler delete
Powermax stage 2
155/stock injectors
mishimoto coolant filter
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post #8 of 16 Old 07-18-2019, 05:46 PM
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I've had my '04 deleted since early 2012. No i did not leave my valve plugged in. I turned off my egr with my SCT programmer. The truck stores two different codes for the egr but DOES NOT turn the MIL on. No adverse effects. The truck ran fine. Replaced my '04 with an '05 after I backed into a tree and bent my frame while plowing this past January. I switched all my stuff over to the '05 and I still get the same 2 egr fault codes but no MIL on the dash.
On a different note, when I purchased the '05 I didn't realized how many differences there were between the two trucks until I swapped the motor from my '04 to the '05. But that can be a whole different thread.
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post #9 of 16 Old 07-18-2019, 05:59 PM
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you will run less boot usually.

also, matt robinson from gearheads told me they were seeing better MPG of 6.0's that still had EGR'S vs deletes.

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post #10 of 16 Old 07-20-2019, 04:47 AM
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Ok yes you will loose a small amount of lower rpm boost without the EGR system pumping HOT high pressure exhaust into the cool intake manifold. It's not pretty what a EGR system does to the 6.0 Power Stroke engine. When engines running at low speeds coking is at its worst and can seriously reduce the intake porting over time.
A EGR systems benefit comes from lowering nox by trading oxygen for inert gases that cannot burn again throughout combustion cycles lowering the amount of molecules exiting from combustion cycles. So your dropping cylinder temperature to lower the amount of molecules becoming nox from the burn.
I see it as a perfect way to cheat and lower nox output. They could likely do much better by refining the fuel more. Not sure how well it could improve on diesel engines but huge gains of lower emissions come from 100 octane and higher fuel.

The likelihood of seeing 100 octane again at the pump is extremely high. It's by far the easiest way the US can meet the carbon output reduction targets given at Paris Agreement regarding worldwide Clean Air Act set for 2025. lol maybe Theres a timeframe??
I'm a dumb pipe fitter who think the French are pussies and hair twirling dreamer's. I didn't go But this cheap to refine crappy fuel @ 87 & 91 octane is pretty inline for being another stupid thing done that's come at one hell of a high price. Yea imagine that in the long run.....cheap fuel made oil companies crazy higher profits and that crap dumped twice the garbage in our atmosphere and oceans.

Oooops in a nutshell screw the EGR system. lol
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