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)

Share this page:

Other materials:

Overhaul
1. Remove manual transaxle assy 2. Remove clutch release fork sub–assy Remove the clutch release fork with clutch release bearing from the transaxle assy. 3. Remove clutch release bearing assy  remove the clutch release bearing assy from the clutch release fork. 4. Re ...

Cooling
Preparation Recomended tools Equipment Coolant ...

Precaution
1. Precaution of headlight bulb replacement  if even a thin film of oil is left on the surface of the halogen lamp, its service life will be shortened because the lamp will be burn at a higher temperature.  handle any halogen lamp with great care. Dropping, hitting or damagin ...