Engine
Vacuum tank
In this manual: Engine
~1min read
On-vehicle inspection
1. Inspect air cleaner cap sub-assembly

(A) check that air flows from port b to port a.
(B) apply 60 kpa (450 mm hg, 18 in. Hg) of vacuum to port b. Check that there is no change of vacuum after one minute.
Test yourself
A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.
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