比亚迪长安欧系发动机

NGK G-Power spark plug 7090 BKR5EGP designed for BYD, Changan and European engines; suitable for post-2000 production. Installed in the cylinder head to ignite the mixture; ensures stable combustion and power. Installation difficulty: medium; about 1–2 hours; professional tools required to remove ignition coil. If idle jitter, weak acceleration, higher fuel consumption, or starting difficulties occur, electrode wear or carbon buildup is the cause; replacement restores combustion efficiency.