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P1507 Diagnostic Trouble Code Discussion for December 2007

Idle Control System Malfunction

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Trouble Ticket Help Requests for DTC P1507
Help Request Posted
2000 Subaru Outback Limited 2.5L Poor Idle Quality, HI IDLE VIN: 4S3BH6865Y
P1507: Idle Control System Malfunction. ... is started after it sits all nite the idle speed sits at about 3k,it gradually comes down to where it should be as it warms up.Occasionally a code p1507 will set more often not.The idle speed motor assly has been replaced as has the trans position switch. ...
December 26, 2007