Message: 1988 3.9 4x4 For 3 years this dakota runs great all summer. When the temp. gets below 30 it misfires, bucks, and in general bearly runs. Most sensors have been replaced. Fuel pressure is normal, injectors replaced. Plugs, wires, cap,etc are all new. No codes displayed. Coolant senser is new also. Anyone else had this problem?
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Subject: 88 3.9 cold misfire