1995 Ford Windstar LX 3.8L Error Codes?

  • Thread starter Thread starter Miky77
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Miky77

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What do these codes mean for a 1995 Ford Windstar LX 3.8L; PO171 Bank 1 Lean, PO174 Bank 2 Lean, PO402 EGR Flow, PO732 Incorrect Ratio 2nd, and PO733 Incorrect Ratio 3rd? I already replaced the Neutral Safety Switch, fuel filter, transmission fluid, and filter. I want to know what parts I need to replace, where are located, and if the job need to be done by a mechanic.
 
the 402 is the egr (excessive gas recirc) valve which cost a lilttle more than 100 bucks and is very easy to install. take about 5 minutes it's just a couple screws to tighten. try taking the egr valve and blowing it out and cleaning with cleaner and hook it back up before you go for the new one
 
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