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P1509 Diagnostic Trouble Code Discussion for June 2006

Idle Speed High - IAC System Not Responding


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Trouble Ticket Help Requests for DTC P1509
Help Request Posted
1999 Honda Civic EX 1.6L No Start, Stall, TRASN STUCK IN 4th VIN: HGEJ8243XL
P1509: Idle Air Control System High RPM. Car came to me after trans was replaced from slipping problem. He states that it was done professionaly with a JY trans. but he won't tell me who did the job. The chief complaints are 1. it stalles and won't restart till it cools. 2. he said the trans is still...
June 28, 2006