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.
Remove the A/F sensor (Sensor 1).
Remove the EGR pipe.
Remove the cover (A).

Remove the bolts (B) and the nuts (C).
Remove the WU-TWC (D).
Install the parts in the reverse order of removal with new gaskets (E).
Three Way Catalytic Converter
The three way catalytic converter contains precious metals that serve as catalysts,
promoting chemical reactions to convert the exhaust gasses without affecting the
metals.
The catalytic converte ...
Fuel Pump/Fuel Gauge Sending Unit Replacement
Remove the fuel tank unit.
Remove the fuel level sensor (fuel sending unit) (A) from the fuel tank unit
(B).
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Emissions Testing
Testing of Readiness Codes
If you take your vehicle for an emissions test shortly after the battery has
been disconnected or gone dead, it may not pass the test.
This is because of certain ‘‘r ...