Question about 2003 Ford Windstar
68,000 van has had no major problems and runs fine with the check engine light on. Had it serviced right before the check engine light came on, transmission fluid changed (removed pan and changed screen) and had the fuel filter replaced. Mechanic check for vacuum leaks and found nothing. Turned the check engine light off and said bring it back if it goes back on. About 6 days later, the light is back on. Any ideas?
Code po316 is a random misfire like plugs or wires po171 will cause po316 po171 is a lean o2 code on bank # 1 that is a vacuum leak need to check it better for a vac leak
Posted on Dec 14, 2008
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Posted on Jan 02, 2017
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