My LS400 has started idling a little rough. No codes. So I decided to inspect the spark plugs. They have 85K on them. They were sooty and had a gap of 1.10.
That seems like a huge gap. I only checked 3.
They are Denso K20R11's
These need to be replaced, right?
That seems like a huge gap. I only checked 3.
They are Denso K20R11's
These need to be replaced, right?