You need to dry out the ignition circuit to no 3.
High idle, misfire, check engine light,High idle, misfire, check engine light,
P0300 = random misfire. Could be as simple as needing a tune up.
P030* basically means a cylinder has a misfire. P0301 is cylinder #1, P0302 is #2, and so on. P0300 means that there are random misfires caused by a vacuum or compression leak, little or no spark, etc.
I hope your barb was a misfire.
Misfire in Cylinder No. 8.
How do u fix a misfire
It means that more than one cylinder has a misfire history. PO301 would be cylinder number 1 misfire. PO302 would be number 3 cylinder misfire.
Random misfire, cylinder 2 misfire, and cylinder 3 misfire. see related question below.
No it will not cause misfire.
Misfire - 2014 was released on: USA: 2014