1990 Ford Bronco

Engine Performance problem
1990 Ford Bronco V8 Four Wheel Drive Automatic 158000 miles

I replaced Idle control valve it ran better but still bogging down so I replaced pcv valve rotar and cap. I also replaced both air filter. Ran great for a few miles except for a little hesitation to start out but now it back where I started. Hesitation when I start out and while I drive now. THANKS NATE
April 14, 2010.

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