P1509 Diagnostic Trouble Code Discussion for October 2009
Idle Speed High - IAC System Not Responding
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| Help Request | Posted | |
| 1998 Honda Civic EX 1.6L Poor Idle Quality, Surge VIN: 1HGEJ8255W P1509: Idle Air Control System High RPM. I can't clear this light. When the key is in the on position the light will come back on. The circuit is not open and the idle is smooth when the iac is unpluged. I the replaced with a used with on fix. I have then sent to Honda and was told to replace with th... |
October 15, 2009 |
