Cel came on..blew 02 sensor code. Replaced. Few days later cel came back on now with p0171 and p0174 codes. This is a massive know problem from doing an internet search and also searching this site even under other windstar years. This is a very costly expensive and seems to be quite involved and there needs to be a recall on this.
2002 Ford Windstar fuel system complaints
Page 2 of 2: complaints 11 to 13 of 13, newest first, as owners wrote them.
2002 ford windstar. Engine warning light comes on. Test meter shows lean condition in bank 1 & 2. Resetting the mil light will work for a few days, then warning light comes on again. Engine runs well, no noticeable problems in driving. This has happened for at least 20,000 miles.
Getting lean code p0171 and p0174. Dealer analyzed and from what I can tell it's tsb 03-16-1 (the federal safety agency sb# 16920) I have searched the internet (as you can) and it's a widespread problem (I know 2 other people personally who may have it). It is my belief that there should have been (or should be) a recall on this defect. In my case, the van will lose RPM's, then "rev" up on cold startup. When it does this, the van executes a "jerking" motion which to me could be dangerous. In other cases, it will stall or nearly stall at traffic lights.
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