2006 Mustang GT fuel mixture too rich - Ford Mustang Forum
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post #1 of 2 (permalink) Old 11-03-2007 Thread Starter
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2006 Mustang GT fuel mixture too rich

I have a 91 Octane Predator performance tune installed. It is the correct one for my CAI and everything has been working great for a few months now. All of a sudden I have been receiving trouble codes indicating that the fuel mixture is too rich, (P0172 & P0175). Could this be a result of the outside temperature? It has been around 30 to 35 degrees Fahrenheit most days lately. Perhaps the mixture is too rich when it starts and runs cold for a bit?

What are the dangers in running with a fuel mixture that is too rich? Can this damage my engine? What can I do to remedy this situation without reverting back to the stock tune?

Any help will be very much appreciated.


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post #2 of 2 (permalink) Old 11-03-2007
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Too rich can be bad for your cats. You can adjust fuel but only at WOT. You may need to have your tune adjusted.

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