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P0507 Diagnostic Trouble Code Discussion for November 2014

Idle Speed Higher Than Expected

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Trouble Ticket Help Requests for DTC P0507
Help Request Posted
2004 BMW 745Li 4.4L Poor Idle Quality, Surge VIN: WBAGN63574
P0507: Iac System RPM Higher Than Expected. ... and warm. Mostly at idle. Tech that worked on it is no longer here. Pulled P0507 DTC and a new DTC 27B8. We don't work on to many Euro cars. This one is for a good customer. Smoked checked the intake system and found no leaks. Cant find any info on prodema...
November 24, 2014