Green Wrench light after full EGR delete? - Ford Powerstroke Diesel Forum
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Old 04-15-2014, 02:35 AM
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Green Wrench light after full EGR delete?

Hello everyone. Before everyone bashes me for not searching the forums for this problem, I have, just to clear that up.

I have an 08 F250 and have had a DPF Delete and EGR blocker plates on for a couple years. I have an SCT Livewire 9625EOR for tuning with only canned tunes. For the most part, I am satisfied with it and the canned tunes. I recently decided to do the full EGR delete and Remove the EGR coolers as well and install an intake elbow. After install, the little green wrench came on the display but truck seemed like everything functioned properly. I plugged the EGR back into the wiring harness and the wrench went away, unplugged and it came back. I flashed my truck again and made sure that I selected "EGR Components Disabled", but light was still there.

I went to the forums thinking that surely there was a fix. The only fix that I found was paying for a custom tune. I went back out to my shop and grabbed my Ohm meter and checked the resistance between the pins on the removed EGR valve. The only solid reading I got was between two pins and it was 4.7Kohms. I went to Radio Shack and bought a package of 1/2Watt, 4.7Kohm resistors. I installed a resistor in the wiring harness to correlate between the two pins on the EGR valve. The result... no green wrench light!

So, I have drove truck around yesterday, around 100 miles, and all seems fine. My question is, does anyone know if this has been tried before and could it cause any potential problems? Less that $2 for package of resistors vs $75+ for a custom tune. Thanks.
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Old 04-15-2014, 06:15 AM
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I personally would just contact gearhead for a custom tune. It will take care of the CEL for the egr delete and I am sure you will be happy with the power and shifting.
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Old 04-15-2014, 08:01 AM
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My SCT did that when trying the canned tunes, I bought gearheads street file and the issues were gone. I just bought his tow file yesterday as well.
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Old 04-15-2014, 07:33 PM
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Quote:
Originally Posted by 04hdfatboy View Post
I personally would just contact gearhead for a custom tune. It will take care of the CEL for the egr delete and I am sure you will be happy with the power and shifting.
Not a CEL, just to clarify. Green Wrench symbol on display is different, signifies limp mode. No codes. My truck did not seem like it was reduced power with it on though. I got the wrench light to go away, by replacing where the wiring harness plugs into the EGR with a resister. Just wondered why I could not find anything in the forums where anyone had tried this before rather than paying for a custom tune.
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Old 04-17-2014, 02:11 PM
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Quote:
Originally Posted by Sam Hain View Post
My SCT did that when trying the canned tunes, I bought gearheads street file and the issues were gone. I just bought his tow file yesterday as well.
How do the gearhead tunes compare to the canned sct tunes?
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