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P0505 Diagnostic Trouble Code Discussion for August 2011

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2001 Infiniti I30 3.0L Cuts out, Stall VIN: JNKCA31A41
P0505: Idle Air Control, Auxiliary Air Control Valve. ... hoping a nissan / infinity guy has had this problem before. This car came from a used car dealer in philly (go figure) was sold to my customer with a check engine light on and said it just needed to be reset. Anyway I had the car and pulled codes - p0505...
August 06, 2011
1998 Honda Civic LX 1.6L Poor Idle Quality, Hesitation, Surge VIN: 1HGEJ657XW
P0505: Idle Speed Control System. Hello Techs, this honda surges at idle,has high idle(1500rpm),iac was not increasing in counts when a load is applied so I installed a used throttle body and iac. Now iac counts increase with load but still idles high and surges. Blocked iac port and idle slow...
August 25, 2011
2005 Toyota Echo 1.5L Poor Idle Quality VIN: JTDBT12385
P0505: Idle Control System Malfunction. ... that started the day after an oil change. No codes where present when the car was brought back in with the high idle. Check for vacuum leaks, dirty iac motor. Ran combustion chamber cleaner through intake. Found that if you pull the MAF sensor half way out...
August 29, 2011