corsa extreme cat-back error code, P26FE, PLZ help me

[kyeongho]

hi , i am mustang gen 7, gt convertible owner in korea.
i just watched corsa exhaust extrem cat0back, and i set it up yesterday.

but i got engine light and error code P26FE
the exhaust valve continues to open and close repeatedly, and the vehicle experiences an error in the exhaust setting. Also, an engine warning comes in.

The installation company said that if the vehicle learns exhaust over time, the error will disappear, but I don't think so.

so i what to know reason why i got this problem, and i want to slove my problem


Please help me if you have a similar experience to me

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[Skye]

https://www.mustang6g.com/forums/threads/active-exhaust-help.209772/

Welcome to the Forums.

Above is a thread I commented to previously. Posts highlight a Active Exhaust re-calibration procedure, often done when actuator changes are made. There are a series of specific steps which could be taken to help the Powertrain Control Module "re-learn" the AE valves and their positions.

Before that, I'd go back and re-check the previous work. Confirm all connectors are secured correctly and are in their proper orientation. Review the routing of any wiring and ensure nothing is resting on a hot exhaust point or shorted out.

Good Luck.

 

[HWill]

You most likely have the spring for the valve incorrectly installed.

During removing my stock exhaust one of the valves popped off and I lost the placement of the spring. I ended up installing it incorrectly and got the same issues you did.

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