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P1504 Diagnostic Trouble Code Discussion for February 2006

Idle Air Control Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1504
Help Request Posted
2001 Mazda Miata 1.8L No Start, Stall, MIL Lamp on VIN: JM1NB35311
P1504: IAC Solenoid Circuit Malfunction. ... the engine is hot, outside tempature is hot & you have driven it for 5 miles or more. You could be driving 40 mph or less, or idling the engine cuts out, caugh, then dies. It will not start for 10-15 minutes depending on how hot the ambient tempature i...
February 07, 2006