02 7.3 running rough need help - Ford Powerstroke Diesel Forum
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Old 05-01-2014, 07:08 PM
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02 7.3 running rough need help

This is my symptoms:

On cold start ups engine runs rough. Idling it knoicks worse than niormal on the road she runs really rough. If I get on here she smooths out ( but still runs rough a bit) but normal driving at between 1200 -2000 rpm she runs so rough it shakes the whole truck. It will do this until she gets up to operating temp & then it goes away. The more she warms up the better she runs. Once up to temp she will run perfectly. The colder it is outside the worse it is & the longer it takes for it to go away. I have replaced the valve cover gaskers and new harnesses, new glow plugs. Still same problems. I have AE and one time it gave me a #2 cylinder code. have not been able to repete this code. Any suggestions on how to fix this problem or any suggestions on what to check next.
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