Try cleaning the Throttle-Body bore.
Cleaning my IAC helped but didn't cure it all the way.
I just put in a bottle of Lucas Fuel system treatment. This has made a huge difference so far.
95 Contour GL. Bought new.
BAT Sway Bars/Pioneer CD/Koni Rear Struts/Mobil Fluids.
Looking for 15" alloy rims-PM me.
180,500km's so far.
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