Ford Mustang Forum - View Single Post - Lost Horse Power?
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post #3 of (permalink) Old 12-05-2015 Thread Starter
BettyWhite
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Joined: Dec 2015
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I reloaded the old tune and its even worse. Plus engine light keeps coming on because old tune says I have cats when I don't. I'm hoping when I drop off for a personal dyno tune it will be better then now and better then before
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