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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Stabilizer bar rear
Replacement Hint: components: 1. Remove stabilizer bar rear Remove the 2 bolts, nuts and stabilizer bar. 2. Install stabilizer bar rear Install the 2 bolts, nuts and stabilizer bar. Torque: 195 nvm (1,990 Kgf·cm, 144 ft·lbf) Hint: install the stabilizer bar so that the ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

Tire pressure warning system (if equipped)
Your vehicle is equipped with a tire pressure warning system that uses tire pressure warning valves and transmitters to detect low tire inflation pressure before serious problems arise. ◆ Installing tire pressure warning valves and transmitters When replacing tires or wheels, tire press ...