1991 Ford Probe rough idle

1991 FORD PROBE
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Engine Performance problem
1991 Ford Probe 4 cyl Front Wheel Drive Automatic

My probe idles rough in gear, runs fine in park/neutral. I can accelerate quickly from a stop but slow accelerations surge badly. Have looked for obvious vacuum leaks, what now?
Mar 4, 2010 at 10:12 AM
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