07 GMC Sierra 1500 5.3 engine - it radom misfires after it warms up. I have changed 1 coil pack, map sensor, plugs, and wires. It only does it after warming up to temperature. What might be the issue.
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Welcome to the site. What exact codes are you getting?– Pᴀᴜʟsᴛᴇʀ2 ♦Aug 15, 2017 at 21:45
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