Honda Fit: Fuel and Emissions System Description - Catalytic Converter System

Catalytic Converter   System

Warm Up Three Way Catalytic Converter   (WU-TWC) and Under-floor Three Way Catalytic Converter (Under-floor TWC)

The WU-TWC and the under-floor TWC convert hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas to carbon dioxide (CO2), nitrogen (N2), and water vapor.

WU-TWC (ATTACHED TO THE CYLINDER HEAD)

UNDER-FLOOR TWC

See also:

Torque Converter Housing Countershaft Bearing Replacement (A/T)
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Connecting Rod and Crankshaft End Play Inspection
Remove the oil pump. Measure the connecting rod end play with a feeler gauge (A) between the connecting rod (B) and the crankshaft (C). Connecting Rod End Play ...

Fuel Economy
Improving Fuel Economy Fuel economy depends on several conditions, including driving conditions, your driving habits, the condition of your vehicle, and loading. Depending on these and other co ...