info - misfire on a 2001 chevy tahoe 5.3 code PO300

[x1078p]

coulds some one give me some info about a misfire on a 2001 chevy tahoe 5.3 code PO300 random misfire no specific cylinder its just random i changed the plugs and wires same problem
i need to pass inspection

[Z71_guy]

that code can be caused may a multitude of things, try running some sea foam through the gas tank, could be a vacuum leak spray some carb cleaner around and listen for changes in the RPS

[2ToNe04]

first check if you put the spark plugs right and rewired correctly.