Vacuum Tube/Air Filter question
12-11-17, 12:33 PM
#1
Driver School Candidate
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Vacuum Tube/Air Filter question
Hi All,
My 02 ES with 234K km (146k mi) developed a vibration at idle while in drive. It would go away when I put it in Neutral.After replacing the air filter, 90% of the vibration went away. This went on for a couple of weeks.
Yesterday I noticed that I had left the two vacuum tubes coming off the Air box unplugged when I replaced the air filter. When I plugged them back in and drove the car, the vibration is back like before.
I played around with taking the hoses on and off the air box. The RPM's at idle are slightly higher (around 600-700) with the tubes out vs with the tubes in (around 400-500).
Can anyone explain what is causing this problem? And where should I start looking? Any help will be appreciated.
My 02 ES with 234K km (146k mi) developed a vibration at idle while in drive. It would go away when I put it in Neutral.After replacing the air filter, 90% of the vibration went away. This went on for a couple of weeks.
Yesterday I noticed that I had left the two vacuum tubes coming off the Air box unplugged when I replaced the air filter. When I plugged them back in and drove the car, the vibration is back like before.
I played around with taking the hoses on and off the air box. The RPM's at idle are slightly higher (around 600-700) with the tubes out vs with the tubes in (around 400-500).
Can anyone explain what is causing this problem? And where should I start looking? Any help will be appreciated.
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schmoozer
ES - 1st to 4th Gen (1990-2006)
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07-01-13 04:37 PM