My motor is an 03 175 hpdi. Its never been de carbed since I bought it and really dont know when the last owner done so. I plan on using Sea Foam, my question is will I need to do a plug change after doing it or will it clean the plugs also. I have been running super tech oil and stabil in every tank but plan on running small amounts of sea foam in every tank after the de carb.
Is it a good idea to de carb during a fishing trip or is there a chance the plugs will foul while on the water? I have experienced no issues as of yet and my engine runs fine just want to do it before I start to have trouble.
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But a wrench and new set of plugs with you is a good idea... 
