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:

    Combination meter assy
    Overhaul Hint: components: 1. Remove meter hood sub–assy 2. Remove combination meter assy Remove the screw.  disengage the 2 clips as shown in the illustration.  disconnect the connector, then remove the combination meter. 3. Remove combination meter glass Di ...

    If your vehicle has to be stopped in an emergency
    Only in an emergency, such as if it becomes impossible to stop the vehicle in the normal way, stop the vehicle using the following procedure: Stopping the vehicle 1. Steadily step on the brake pedal with both feet and firmly depress it. Do not pump the brake pedal repeatedly as this will increase t ...

    Fuel information
    You must only use unleaded gasoline in your vehicle. Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should ...