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#1
08-10-2005, 02:45 PM
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2001 Dakota 3.9 hesitation and missfire
I have a 2001 Dodge Dakota Club Cab with the 3.9L V6. Between about 10 mph and 45 mph the truck will some times hesitate and missfire. This does not happen all the time nor can I make it happen. I have replaced plugs, plug wires, distributor cap, rotor, ignition coil, Throttle Position Sensor, Idle air control valve and 3 fuel injectors (cylinders 1,3,5). I also cleaned the fuel rail. I have even paid dodge to have it diagnosed but i tried thier fix (replacing the fuel injectors) but now they are just guessing like myself. The engine codes that the OBD II reads are 0300 (0301,0305) and 0420. Any help would be appreciated. Thanks.
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#2
08-10-2005, 08:14 PM
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Re: 2001 Dakota 3.9 hesitation and missfire
300- Random Misfire Detected
301- Cylinder 1 Misfire Detected 305- Cylinder 5 Misfire Detected 420- Catalyst System Efficiency Below Threshold (Bank 1)
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