Quote:
Originally Posted by DieselMercGuy
Hey, thanks again! The previous owner said he replaced the plugs about 3 years ago when he got the car… Is it time to do them again? Forgive my ignorance, I know more about the Diesels!!
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Spark plugs are usage dependent, not time dependent.
Plugs that do not have precious metal electrodes will have service lives of 40-50K miles, provided that they are not oil or fuel fouled.