Right. Fix the air leak first. Then change

来源: 于 2010-11-01 23:14:18 [旧帖] [给我悄悄话] 本文已被阅读：次

the motor oil to a higher weight 5W-40 or 20W-50. The engine is old and may lose piston compression too. I doubt the tune-up will change thing much.