Toyota Corolla (E120) 2002–2008 Repair Manual / Preparation / Communication system
Toyota Corolla (E120): Communication system
Preparation
Recomended tools
Equipment
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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 ...
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Recomended tools
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