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What could be causing rough running?

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2006-01-01 04:23:31
2006-01-01 04:23:31

I've had this problem in my 1991 Escort. Try this, replace your spark plug wires and/or check your pcv valve it could be clogged or not even connected to valve cover. if replacing your spark plugs and checking your PCV valve didn't work check for a vacum leak in your intake and exaust system

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