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Old 01-22-2013, 06:51 PM   #14
Z3T3C
Focus Jr. Enthusiast
 
Join Date: Dec 2012
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Location: Des Moines, IA
What I Drive: 2000 SE Zetec with ATX

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I have a DPFE go out my grandmother's 3.0L Taurus and that seem to make the car consistently run far more sluggish than what my car doing right now. I don't suspect it to be the case since this issue seems more sporadic, but its worth investigating. Classic6200, when your DPFE went out in your focus was it consistently running poorly it would it come and go and was it more so after the engine was warm? Also, after my wife drove it today, she told me the CEL came on. I pulled the code and it was P0303 for a cylinder 3 misfire. I'm still leaning towards a fuel issue since IMHO a spark issue has been ruled out, but I will report back on what I come up with. Thanks everyone for your suggestions thus far.
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