it is a multi cylinder missfire code two or more cylinders are not firing.
Most obdii codes are multi-digit, such as po300,po301,po302, etc. Etc. Po300's are usally misfire codes pertaining to the same cylinder...code po302 is a misfire in cylinder #2. A po300 code is a random misfire for any cylinder
What could code po300 on chevy 5.7 liter mean
Trouble code P0300 means:Random/multiple cylinder misfire detected
cylinder missfire detected.==po300==
answer : Random Misfire
misfire
02 sensor problem
Trouble code P0300 means:Random/multiple cylinder misfire detected
Trouble code P0306 means:Cylinder 6 misfire detected
Trouble code P0306 means:Cylinder 6 misfire detected
Trouble code P0300 means:Random/multiple cylinder misfire detected
a po300 code is a random misfire code witch means it is not just missing on just one cly. witch kind of eliminates a ignition problem unless you have multiple ignition parts going bad more likely a fuel problem or vacuum leak