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Old 02-23-2011, 02:34 PM   #1
sammerjammer93
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2010 auto duratec

i have a 2010 duratec focus auto that i put a steeda cold air intake and a fswerks 2.5 race exhaust on and now i have a check engine light for system running too lean any suggestions? which company would be best to go with and how to adjust it because i have never tuned a car before


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Old 02-23-2011, 04:35 PM   #2
Jgrove998
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Quote:
Originally Posted by sammerjammer93 View Post
i have a 2010 duratec focus auto that i put a steeda cold air intake and a fswerks 2.5 race exhaust on and now i have a check engine light for system running too lean any suggestions? which company would be best to go with and how to adjust it because i have never tuned a car before
Make sure your MAF is seated in the tube correctly and tight. Then reset the ECU (unhook the battery for 5-10 mins). Your mods should not cause the car to run overly lean.


What was the exact code stored in the ECU?
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Old 02-23-2011, 08:07 PM   #3
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i tighten them it went awhile for about 30 miles and came back
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