p0301 is cylinder 1 miss fire detected, this means there could be a bad wire, sparkplug, or coil to number 1 cylinder.
Yes, P0301 will always point to the #1 cylinder.
The pattern is P030x = a cylinder misfire, and x = the cylinder number that is misbehaving.
So any P0301-P0312 always represents misfires
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Trouble code P0301 means: Cylinder 1 Misfire Detected
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P0301 is cylinder number one misfire detected.P0301 is cylinder number one misfire detected.
Trouble code P0301 means:Cylinder 1 misfire detected