how to clean n47 egr valve

12:03

6:24

24:34

24:55

33:01

10:01

5:49

5:59

13:37

3:26

13:55

2:14

7:34

23:59

17:31

52:30

2:00

10:32

1:42

4:26

6:31

6:11

7:55

8:04

3:08

13:08

11:51

4:17

16:34

5:31

3:58

8:20

2:37

5:33

4:33

3:10

5:47

9:31

5:18

10:57

15:49

1:02

7:21

45:57

8:29

7:02

6:38

11:45

8:42

7:16

3:27

6:57

12:46

15:39

8:22

3:11

8:15

3:08

4:07

13:09