200mercury Cougar Engine Diagram

I have a 97 mercury cougar 3.8l. my car is putting out codes 0171 and Hwllo, my girlfriend has an '89 cougar, 71,000 miles, v6. when opening Mercury cougar 8l car sensor do please

I have a 97 mercury cougar 3.8L. My car is putting out codes 0171 and

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Hwllo, My girlfriend has an '89 Cougar, 71,000 miles, v6. When opening

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I have a 97 mercury cougar 3.8L. My car is putting out codes 0171 and