I own a 2009 Grand Cherokee w/ a v6. Is it OK to use 100K spark plugs? The dealer said I will be using plugs that are too hot and could ruin the engine. I don't trust the dealer, can you help me?
I own a 2009 Grand Cherokee w/ a v6 engine. Is it OK to use 100K spark
plugs? The dealer said I will be using plugs that are too hot and could ruin the
engine. I don't trust the dealer, can you help me?