Honda Civic manuals

Subaru Legacy Service Manual: Removal

Remove the clip which secures the air intake duct, and remove the air intake duct.

Air intake duct
...

Inspection
1. Check that the air intake duct has no deformation, cracks or other damages.2. Inspect that no foreign objects are mixed in the air intake duct. ...

Other materials:

Inspection
1. Check that the front oxygen (A/F) sensor has no deformation, cracks or other damages.2. Measure the resistance between front oxygen (A/F) sensor terminals.Terminal No.Standard3 and 42.0+0.42 −0.2 - (when 20°C (68°F)) ...

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