Basically this means that the the car's computer has detected that not all
of the engine's cylinders are firing properly.
A P0300 diagnostic code indicates a random or multiple misfire. If the last digit
is a number other than zero, it corresponds to the cylinder number that is misfiring.
A P0302 code, for example, would tell you cylinder number two is misfiring.
Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are
mis-firing, nor why.
A code P0300 may mean that one or more of the following has happened:
Tested the ignition system and all componants. installed new spark plugs, and coils, and tested the ignition fail module and still setting a p0300. and engine runs smooth. what can i look for next?
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