Black smoke from the tail pipe, hard starting, and a rough idle can be caused by a leaking fuel injector. With the air cleaner removed and the engine idling, fuel can be seen leaking from around the injector (O-ring leak), or from the nozzle (fuel injector leak).
Fuel injector leak on Dodge Dakota
Average mileage: (–)
Exhaust & Emissions affected: 2.5L 4 Cylinder
9 people reported this problem
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5th time truck has been in shop.Originally thought it might be fuel filter, so this is what all I have done to the truck: changed fuel pump, changed Ignition Coil pak, new plugs, distributor, wires...
Have new plugs,wires,rotor,cap.This motor has multiport fuel inj,is 3.9 v6.Also put in new fuel...
Do I need to replace or clean the injector?
I have replaced - spark plug, plug ignitor, fuel injector and crankshaft position sensor and ha...