【太平洋汽车网】P0138故障码，意思是氧传感器电路高电压（第1排，传感器 2）(O2 Sensor Circuit High Voltage (Bank 1, Sensor 2))。 氧传感器的作用是测定发动机排气中的氧气含量，以修正喷油量，从而使发动机获得最佳空燃比。在OBD故障码中，你经常会看到第几排第几个 ...

Q:Hi James. I keep having an oxygen sensor fault code for a lean exhaust with my '97 Corvette. I've taken the vehicle to the dealer several times but the problem keeps recurring. I would like to try ...