Originally Posted by Spector
at 230,000 miles why waste your money on a UOA. Unless you are willing to do something dramatic and spend $$$$ on this engine why bother, just drive it until it dies. Seriously, what are you going to do if it continues to give high iron, other than changing the oil more often to get the numbers down UOA are sort of useless other than to look for coolant etc.
yup. it could go another 100k miles with 100ppm/5k on iron and not fail, all depends on where the iron is coming from. we all imagine its the engine block, it could be something that is rusted and slowly shedding iron particles as well.