rough idle - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 05-31-2012, 01:38 PM Thread Starter
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rough idle

When CEL is on it idles fine but when it turns off it idles choppy. Then will smooth out but idles at 1000 rpm when accelerator in pressed it takes off smoothly without hesitation. Replaced TPS last weekend and fuel filter today. It mainly does it when slowing down its an automatic if that has anything to do with it. Anyone have any ideas. Thanks
lhw1172 is offline  
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