i have codes that are all dealing with misfiring on 1-3-5. i did a tuneup on it. i light goes out, i drive it for a couple of days the light comes back on reading misfiring on a different cylinder. it is always on that side of the cylinders. It came on again today it reads misfiring on cylinder 3. I have done tuneup after tuneup, change sensors, changed fuel injectors, can any one please help me.
97 dodge dakota
Most common causes would be a vacuum leak or a sticking EGR valve.
Post the code numbers if you have them handy….
first time it was p0300, p0301, p0303, p0305. Now it reads p0303
I would start with EGR
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