have you tried using an additive such as the stp fuel injector cleaner? i dont know how extensive of a cleaning that gives, but it could be worth a shot.</P>
Power Foam actually works better for cleaning the entire combustion chamber. You spray the PF into the throttle body, with the air-hat off, with the engine running.</P>
Power Foam actually works better for cleaning the entire combustion chamber. You spray the PF into the throttle body, with the air-hat off, with the engine running.</P>