Question about 2001 Dodge Durango
My Durango runs fine in idle and fairly smooth at lower speeds (20-40mph) but once reaching higher speeds it feels like it has a miss about every 30 seconds or so. Already know I have a Cat.Converter that is or is going bad (check engine light) but it has been like that for months - this problem started 2 weeks ago and is steadily getting worse. In an attempt to repair the problem I have replaced - fuel pump, spark plugs and wires, ignition coil and added a fuel injector cleaner - but the problem persists. Also, gas mileage has dropped off drastically. This is my only car and my wife is not able to make it to work as it gets drastically worse the longer you drive it. Could Cat. converter be doing this or is there something else? Had check engine light checked and only code is for Cat. converter. O2 sensors are brand new(6 mo. old). There were no other codes.
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