98 V6 misfiring - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 1 Old 08-25-2010, 06:05 PM Thread Starter
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98 V6 misfiring

car ran great for a little while after putting my V6 back in then check engine light came on for a P0172 which is a rich code. both bank 1 and 2. car runs rough and can not figure it out. did not replace MAF yet but did swap it with another used one and still ran poor. fuel pressure is at 45 and DPFE vacuum lines are correctly attached to the right place. really need help with this. TY guys

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