Question about 2000 Hyundai Accent
I did a full tune up on my car (2000 accent 1.5) im getting codes p0300 random misfire.....p0301misfire cylinder 1..... p0302 misfire cylinder 2
since i already change sparkplugs,wires, fuel filter, airfilter,pcv valve, im thinking it could be the ignition coils going bad but im not sure...can somebody please help
Possibly coils check compression make sure the plugs are the proper ones some engines are particuler about the plugs
Posted on Mar 04, 2009
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A P0300 diagnostic code indicates a "random" or "multiple" misfire.
Unfortunately, P0300 doesn't tell you specifically which cylinders are mis-firing, nor why (code P0301 would indicate cylinder #1; P0302 would indicate cylinder # 2 etc). This means there could be an issue with any number of components/circuits relating to the ignition/combustion circuits.
I would recommend you check for the following:
Sometimes the underlying cause of a random misfire is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold, unmetered air getting past the airflow sensor, or even an EGR valve which is stuck open.
Hope this helps...
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