Honda Fit: Front bumper:

See also:

Warm Up TWC Removal/Installation
NOTE: If the warm up TWC is damaged internally, inspect the under-floor TWC for debris. Raise the vehicle on a lift. Remove the bolts (A). Lower the vehicle. ...

Changing the Engine Oil and Filter
Always change the oil and filter according to the maintenance messages shown on the information display. The oil and filter collect contaminants that can damage your engine if they are not removed ...

Main Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air. Blow out all passages. Do not use a magnet to remove the check balls, it may magnetize the check balls. ...