Troubles to be seen usually in BUICK car engine are:difficult start to engine,unstable idle speed,surging engine,off-ignition or lack of ignition,back fire,detonation,unefficiency of power and inferior fuel economy,etc.

• 该发动机常见的故障症状为发动机起动困难、怠速不稳、喘振、断火或缺火、回火、爆震、功率不足及燃油经济性不良等。