when I change my spark plugs and they have a lot of carbon buildup on them what does that mean?

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you need to check your ratio - you're running rich.
Might want to try higher quality gas.

2006-09-03 04:28:37 · answer #1 · answered by Melis__A 3 · 0⤊ 0⤋

Either the engine is burning oil or running a bit rich.

2006-09-03 11:25:46 · answer #2 · answered by Mad Scientist Matt 5 · 0⤊ 0⤋

You are changing the plugs at the right time. Your car's perfromance should improve.

2006-09-03 11:31:47 · answer #3 · answered by impulse_buyer 2 · 0⤊ 0⤋