LEMON Manuals
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2003
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Eclipse GT, Standard
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Controls - Self-Diagnostics - 3.0L
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Diagnostic Tests
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DTC P0121: Throttle Position Sensor Circuit Range/Performance Problem
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Probable Causes
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Probable Causes
Throttle position sensor failed or maladjusted.
Open or shorted throttle position sensor circuit, or loose connector.
ECM failed (M/T).
PCM failed (A/T).