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Discussion Starter #1
I noticed on my way to work tonight that my engine sputters when in neutral/park or in first gear. it goes away after acceleration. had a cel code last week that was "cylinder 1 misfire" and I had one this morning that was "system lean" or something of the sorts, the guy at autozone said it was probably an 02 sensor. My scangauge shipped yesterday but that wont help me today. any idea what it might be? I know my last car (97 mercury mountaineer) ran this way when an o2 sensor needed to be replaced but I have no experience with the 3.0 so I wanted to check.

car is an 03 6S with the AT trans. 88k miles
 

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Discussion Starter #2
ended up being the hose that leads from the motor to the PCV valve. It had a nice little hole in it. I replaced the PCV valve and the hose and all is good.
 

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yeah thats a vacuum hose. if you have a leak or if thats unplugged ur idle will be all retarded almost like ur car is gonna die. lol
 
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