https://www.700r4transmissionhq.com/p0401-toyota-camry/#:~:text=P0401%20is%20a%20common%20OBDII%20trouble%20code%20that%E2%80%99ll,three%20main%20parts%20of%20the%20Camry%E2%80%99s%20EGR%20system.
05 mazda mpv. 我去年换火花塞，把EGR的垫圈弄丢了，我就没用垫圈拧上去，估计这是原因
xiangbuming
2022-03-08 09:18:0705 mazda mpv. 我去年换火花塞，把EGR的垫圈弄丢了，我就没用垫圈拧上去，估计这是原因