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P1504 Diagnostic Trouble Code Discussion for April 2005

Idle Air Control Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1504
Help Request Posted
1997 Ford Taurus GL 3.0L idle high VIN: 1FALP52U5V
P1504: iac fault. Intermittent high idle approx. 1600rpm. no check engine light. iac code may have been caused by unplugging when running. applied vacuum to egr when engine idle was normal and engine wants to die. Normal operation. While engine idle was high, unplugged iac and ...
April 25, 2005