P1509 Diagnostic Trouble Code Discussion for April 2007
Idle Speed High - IAC System Not Responding
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| Help Request | Posted | |
| 1999 Honda Civic Value Package 1.6L idle up & down VIN: 2HGEJ6610X P1509: Idle Air Control System High RPM. idle surges. any common problems with these cars. noticed the o2 sensors both switch at the same speed |
April 17, 2007 |
