Check for signs of leakage or cracked surfaces at both ends of tube, exhaust manifold and EGR valve.

检查两个管的末端，排气歧管和EGR阀是否有泄露或表面有裂痕。

youdao

Check for signs of leakage or cracked surfaces at both ends of tube, exhaust manifold and EGR valve.

检查两个管的末端，排气歧管和EGR阀是否有泄露或表面有裂痕。

youdao