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2002
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Lancer ES, Standard
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DTC P0123: Throttle Position Sensor Circuit High Input
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Troubleshooting Hints
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Troubleshooting Hints
The most likely causes for this DTC to be set are:
TP sensor failed or misadjusted.
Open or shorted TP sensor circuit or loose connector.
ECM (M/T) or PCM (A/T) failed.