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Mitsubishi
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2002
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Lancer LS
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Engine Controls - Self-Diagnostics
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DTC P0403: EGR Control Circuit
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Troubleshooting Hints
Troubleshooting Hints
The most likely causes for this DTC to be set are:
EGR solenoid failed.
Open or shorted EGR solenoid circuit or loose connector.
ECM (M/T) or PCM (A/T) failed.