Limp mode on mustang gt c/s 2020, car is full bolt on and tuned on e85.

kyle7000

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I am getting a few trouble codes, p0141,and p0161, which are for the oxygen sensors.
I am also getting p05a1 and p061b, freshly tuned by Vmp. Anyone have any input on this it is really frustrating. On WOT sometimes I get a wrench icon and have to pull over and turn car off for it to go back to normal afterwards.

 
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kyle7000

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I do have a check engine light with this tune, will this be normal since I am also running no cats?
 
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kyle7000

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Bump
 

K4fxd

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Contact your tuner. The P061b code is for a torque error.
 

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I do have a check engine light with this tune, will this be normal since I am also running no cats?
Headers regardless if its catless or high flow cats usually will have a check engine light. But your tuner will make adjustments accordingly for the light to not come on.

Does your tuner know you are running headers?
 


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kyle7000

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Are you sure the tuner will turn it off, I use VMP. Yes they are aware I have headers on the car with no cats.
 

K4fxd

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No tuner will turn off the cat codes. However you have other problems. You need to contact your tuner.
 

Semp1

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Most likely the tune. Could be the air intake. Check the filter.
 
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kyle7000

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The tuner would not turn off the cat codes, that was true. All the other errors have since been fixed. It was an error tuning the vehicle. Thanks so much guys! Will check back if it happens again.
 
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kyle7000

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Update: still getting wrench light, brought by dealer. Surely they can figure out what it is, even if not fixed by warranty. Also getting my recall done!
 
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kyle7000

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Bump, would replacing the oxygen sensors fix this? I’ve heard of also running the mini cats in the headers themselves, I picked up some spark plug non foulers. I am going to try that first and see what happens. Any input would be awesome from full bolt on cars that have experienced the same issues.
 
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kyle7000

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So I got rid of my check engine light for the oxygen sensors with the big daddies garage angled sensors. works great. I am still having an issue at WOT with the vehicle throwing a wrench light. Anyone chime in and give me an idea on what it could be, The dealership near me won't touch a thing because of all the aftermarket parts.


RAN Engineering test mode to see what codes I got. I got the following

DTC- $C14000
$C15900
$C25300
$C41500

Anyone have any input?
 
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opengl

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Dunno how many people need to tell you to talk to your tuner, but: talk to your tuner.
 

 
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