Toyota Corolla (E170): For safety and security

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Repair
1. Steering off center repair procedure Inspect steering wheel off center.  Apply masking tape on the top center of the steering wheel and steering column upper cover.  Driving the vehicle on a straight line for 100 meters at a constant speed of 35 mph (56 km/h), and ho ...

If the engine will not start
If the engine will not start even though correct starting procedures are being followed, consider each of the following points: The engine will not start even though the starter motor operates normally. One of the following may be the cause of the problem: There may not be sufficient fuel in the ...

Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located before and after the catalyst to determine whether or not the catalyst performance has deteriorated. Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen sensor in front of the catalyst alterna ...