2012 GMC Terrain 3.0L V6 flex fuel version with 207k miles
Took off the intake manifold to replace the spark plugs. Intake valves are quite the sight, i.e. lots of carbon buildup. What are some options for cleanup? AMSOIL power foam?
Thank you.
Took off the intake manifold to replace the spark plugs. Intake valves are quite the sight, i.e. lots of carbon buildup. What are some options for cleanup? AMSOIL power foam?
Thank you.