Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / Repair instruction / Precaution / For vehicles equipped with catalytic converter

Toyota Corolla (E120): 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.

  1. Use only unleaded gasoline.
  2.  avoid prolonged idling.

    Avoid running the engine at idle speed for more than 20 minutes.

  3. avoid a spark jump test.
  1.  Perform a spark jump test only when absolutely necessary. Perform this test as rapidly as possible.
  2.  While testing, never race the engine.
  1. avoid a prolonged engine compression measurement.

    Engine compression measurements must be performed as rapidly as possible.

  2.  do not run the engine when the fuel tank is nearly empty. This may cause the engine to misfire and create an extra load on the converter.
    Share this page:

    Other materials:

    Engine immobilizer system
    The vehicle's keys have built-in transponder chips that prevent the engine from starting if a key has not been previously registered in the vehicle's on-board computer. Never leave the keys inside the vehicle when you leave the vehicle. This system is designed to help prevent vehicle theft but doe ...

    Purpose of the readiness tests
    The on–board diagnostic (obd ii) system is designed to monitor the performance of emission–related components and report any detected abnormalities in the form of diagnostic trouble codes (dtcs). Since the various components need to be monitored during different driving condition ...

    Installing the spare tire
    1 Remove any dirt or foreign matter from the wheel contact surface. If foreign matter is on the wheel contact surface, the wheel nuts may loosen while the vehicle is in motion, causing the tire to come off. 2 Install the tire and loosely tighten each wheel nut by hand by approximately the sa ...