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Home › Saturn › 2003 › L300 › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0401: EGR Flow Insufficient › Conditions For Setting DTC

Conditions For Setting DTC

The MAP changes monitored by the ECM during the EGR flow test indicate an insufficient amount of EGR flow.
The condition exists for more than 8 seconds.