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Idle Air Control Motor

Individual component testing is not available from manufacturer. If Idle Air Control (IAC) motor or wiring circuit failure exists, a DTC may be stored in the powertrain control module. Perform appropriate IAC motor diagnostic test. See DTC P0508: IAC VALVE SENSE CIRCUIT LOW or DTC P0509: IAC VALVE SENSE CIRCUIT HIGH in SELF-DIAGNOSTICS - CONCORDE, INTREPID & 300M article.