Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Catalyst system efficiency below threshold

Toyota Corolla (E120): Catalyst system efficiency below threshold

Dtc p0420 catalyst system efficiency below threshold (bank 1)

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Body panel sealing areas
Be sure to apply body sealer to the body panel joints and door edges (tip of outer panel folded part), etc., To waterproof and rustproof them. Hint:  apply degreasing agent to a clean cloth and clean the sealer application areas. After removing the applied spot sealer from the se ...

Trip information
■ Switching the display Items displayed can be switched by pressing the display change button. ■ Odometer Displays the total distance the vehicle has been driven. ■ Trip meter A/trip meter B Displays the distance the vehicle has been driven since the meter was last reset. ...

Engine mechanical
Preparation Sst Recomended tools Ssm Equipment Exhaust Preparation Equipment ...