Cylinder 5 is missing
Error code P308, signifies a cylinder 8 misfire. Other error codes such as P301, P302, P304, P305, P306, P307, P308, P309, P310, P311 and P312 signify misfires on the cylinder of the last 2 numbers of the code.
cylinder 5 missfire detected. could be plug, wire, or bad coil...