Toyota Corolla (E120) 2002–2008 Repair Manual / Front suspension / Front suspension system / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.
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Other materials:
Audio & visual system
Preparation
Sst
Recomended tools
Equipment
...
Automatic transmission / trans
Preparation
Sst
Recomended tools
Equipment
Lubricant
Ssm (special service materials)
...
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of ...