No. New cars do not have vacuum modulators. Maybe a 66 mustang but not a Lexus. U think the egr valve is vacuum operated? How about ur cruise control? Look under hood and let us know what u find.
No. New cars do not have vacuum modulators. Maybe a 66 mustang but not a Lexus. U think the egr valve is vacuum operated? How about ur cruise control? Look under hood and let us know what u find.