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P0505 Diagnostic Trouble Code Discussion for July 2021

Idle Air Control Motor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2002 Honda Civic LX 1.7L Surge
P0505: Idle Speed Control System. It came from another shop where they replaced the engine. Came with rolling idle, checked for vacuum hoses unhooked or broken, everthing looked good, checked vacuum at lowest point it gets to 5 inches of vacuum, when it gets to the highest it reaches 20 in...
July 08, 2021