Toyota Corolla (E120): System too lean/rich

Dtc p0171 system too lean (bank 1)

Dtc p0172 system too rich (bank 1)

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Cd sound skips
Inspection procedure 1 Disc cleaning Disk cleaning ) if the disk gets dirty, clean the disk by wiping the surface from the center to outside in the radial directions with a soft cloth. Notice: do not use a conventional record cleaner or anti–static preservative. Standard: ...

Radiator assy
Replacement 1. Drain coolant 2. Separate radiator hose inlet 3. Separate radiator hose outlet 4. Separate oil cooler inlet tube no.1 5. Separate oil cooler outlet tube no.1 6. Remove radiator assy  disconnect the fan motor connector.  disconnect two clamps for wire–harness fr ...

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 ...