Thanks for the replies.
We've had the van four years and, beyond the usual Windstar stuff with the doors and a horn issue, engine-wise it's been fine (replaced the battery twice but that's no biggie.)
The guy at the shop mentioned replacing gaskets as the next step but still seemed convinced we needed a manifold. The only thing replaced on the van in the past two weeks have been the battery and the coil pack. As I said, it ran fine until I put the gas in last Tuesday and the problem really hasn't been solved completely since the coil pack was installed. It doesn't chug while driving but it's awful while sitting at a light or in traffic.
We did take it to AutoZone last night and it read PO 410 EGR flow insufficient and PO 171 System too lean (Bank 1). They suggested replacing the oxygen sensor, which we bought and my husband is trying to do now. He's having a hard time getting the old sensor out (he's not very mechanically inclined at ALL, which bodes well for this whole scenario). Any ideas on the code readings?
**UPDATE**
My husband changed the O2 sensor (yay for him) and it helped a very little, but then the A/C decided to start blowing out from the defroster vent, not the front vents. He messed around with the hoses and connections under the dash (behind the CD holder under the stereo system), blew on some connections and, voila, all problems solved, including the terrible idling and chugging... EXCEPT...we're still getting a PO 171 code from the CEL. The van runs perfectly fine now -better than before, actually - so any thoughts on this new development?
Last edited by Bree26; 07-20-2008 at 02:02 PM.
Reason: update post
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