2004 Honda Odyssey "p505 problems" Questions

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The rpm go up & down while in park.Error code p505 comes up P505=Idle System Malfunction This is probably a throttle positioning sensor problem.

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...a skip to it and when i press the gas it starts making popping noises in the filter cabin and the p505 code shows up 505 is idle air control motor circut. Check to make sure that control is clean ...

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...mixture problem which could be caused by an air leak. On OBD II vehicles (1996 & newer), codes P505 to P509 indicate a fault with the idle speed control system.The diagnostic procedure when any ...

...p505 looking to find out how much would this cost for repair This should be a fairly straightforward diagnosis. Start by clearing the fault codes. Then unplug the IAC and start the engine (This may ...

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