LEMON Manuals
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Mitsubishi
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2001
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Mirage ES, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0121: Throttle Position Sensor Circuit Malfunction, DTC P0122: Throttle Position Sensor Circuit Low Input Or DTC P0123: Throttle Position Sensor Circuit High Input
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Probable Causes
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Probable Causes
TP sensor failed or misadjusted.
Open or short in TP sensor circuit, or loose connector.
Closed throttle position switch malfunction.
Closed throttle position switch signal wire shorted.
Engine Control Module (ECM) failed.