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      05-13-2019, 03:16 PM   #50
kyippee
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Drives: E92 M3, Supra MK5, F44 235GC
Join Date: Feb 2017
Location: SF Bay Area

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Quote:
Originally Posted by Shmelgy View Post
Quote:
Originally Posted by turbo8765 View Post
So what was causing limp mode?
Too much back-pressure from the prototype exhaust I had on.

I swapped exhaust the day before I was going to take it in to get looked at, and figured why not clear the codes and give it a shot. It pulled all the way to redline and didn't throw any codes. I've tracked it 2-3 times since then and zero issues.
Were there any other problems with too much backpressure? Any engine damage or harm?
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