FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Toyota
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1989
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Corolla Sedan L4-1587cc 1.6L DOHC (4A-GE)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Sensors and Switches - Computers and Control Systems
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Oxygen Sensor
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Locations
Oxygen Sensor: Locations
Main Oxygen Sensor: In exhaust pipe, before the catalyst
Sub-Oxygen Sensor: In exhaust pipe, after the catalyst