i had this same problem the other day on route to samsti, the whiplash happend low down power, i had a split rad hose at the time that was spraying coolent everywere! i did notice water near coilpacks also had a split in the intercooler hose that connecs to throttle body, when i gave it a rev it seem to clear itself and since changing rad and hoses + intercooler and hoses it has been perfectly fine touch wood!! also seemed to run lumpy after restarting when engine is hot
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