No.

1 2 3

Image

Description

Injector valve cap inlet hole location

Injector valve cap return hole location

The oil inlet and oil return holes of the injector valve cap are free of wear, grooves, scratches, damage, rust, dents, which do not need to be replaced

No.

4 5 6
Image

Description

The injector valve cap oil hole is recessed and needs to be replaced

The injector valve cap oil hole is worn and needs to be replaced

The injector valve cap oil hole is punched and needs to be replaced

The wear of the top oil return hole causes the oil return to be too large and the leaking injector cannot inject oil. The oil inlet hole on the side is blocked, causing the injector to fail to establish the pressure chamber and the injector cannot work normally Wear of the oil chamber of the valve cap will cause fuel injector failure. In severe cases, the fuel injector will not work properly.  
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