Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Evaporative emission control system leak detected

Toyota Corolla (E120): Evaporative emission control system leak detected

Dtc p0442 evaporative emission control system leak detected (small leak)

Dtc p0456 evaporative emission control system leak detected (very small leak)

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For vehicles equipped with catalytic converter
Caution: if large amount of unburned fuel flows into the converter, it may cause overheating and a fire hazard. To prevent this, observe the following precautions. Use only unleaded gasoline.  avoid prolonged idling. Avoid running the engine at idle speed for more than 20 minutes. ...

Thermostat
Replacement 1. Remove engine under cover rh 2. Drain coolant 3. Remove fan and generator v belt 4. Remove generator assy Disconnect the wire clamp from the wire clip on the rectifire end frame.  remove the rubber cap and nut, and disconnect the alternator wire.  d ...

Inspection procedure
1 Check low pitched horn assy Connect the positive (+) lead from the battery to the terminal and negative (–) lead to the horn body, and check that the horn blows. 2 Check relay (marking: horn) Remove the relay from the engine room j/b.  check the horn relay conti ...