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P0507 Diagnostic Trouble Code Discussion for March 2008

Idle Speed Higher Than Expected

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Trouble Ticket Help Requests for DTC P0507
Help Request Posted
2001 Saturn SC1 1.9L high idle VIN: 1G8ZN12801
P0507: IAC System Too High. ... stopped. checked the IAC counts, 15. Sweeped TPS, OK. And cleaned throttle plates. Pulled DTC's P0122,P0507, and P1599, I need some help with this one, Thanks.
March 19, 2008
1996 Buick Century Custom 3.1L Hesitation, Cuts out, high idle VIN: 1G4AG55M4T
P0507: Idle Speed High. I have a high idle speed that won't quit. Initially came in with dying problem. Fuel pump and filter fixed that. Then, I encountered the high idle speed. Customer was livid that I charged for work that didn't fix all his problems. I replaced the TPS, IAC, PCM(...
March 31, 2008