- John PaulLv 79 years agoFavorite Answer
Almost never do we change a swirl valve I have replaced many swirl valve vacuum solenoids. I have also seen Engine control modules that cannot ground the swirl valve. So better get a correct diagnosis. It is really helpful when I know what we are working on Year make model engine size???Source(s): Nissan Master Tech
- Jeff N.Lv 69 years ago
AND YOUR QUESTION IS?????