MTF
FRF Addict
It's not my truck that has a problem, I'm a little confused as to what you trying to get at bakkbakk.
And to point out nothing broke on the OP's truck, he is having an issue with a mod.
But how many times would you go back and forth wasting time before you give up and let them figure out what's going on.
If that means going back to a stock exhaust so the service tech can get help from a Ford engineer, then that's what needs to be done.
Running around with error codes could lead to serious damage costing way more than $348.
And to point out nothing broke on the OP's truck, he is having an issue with a mod.
But how many times would you go back and forth wasting time before you give up and let them figure out what's going on.
If that means going back to a stock exhaust so the service tech can get help from a Ford engineer, then that's what needs to be done.
Running around with error codes could lead to serious damage costing way more than $348.
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