LEMON Manuals
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Toyota
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2003
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Highlander Base, 3.0 F, AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Self Diagnostics - V6
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Diagnostic Tests
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DTC P0120: Throttle/Pedal Position Sensor/Switch "A" Circuit Malfunction
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Possible Causes
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Possible Causes
Open or short in throttle position sensor.
Defective throttle position sensor.
Defective ECM.