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P0505 Diagnostic Trouble Code Discussion for April 2007

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2000 Toyota Tacoma DLX 3.4L Poor Idle Quality VIN: 4TAVN52NXY
P0505: Idle Control System Malfunction. ... provides and get to the point where it says to ck the a.c. control circuit but i cant find any tests anywhere to run. I have no idle control it acts like a dead i.a.c. motor and just for fun i installed a known good i.a.c. on it. cleared the codes and p050...
April 11, 2007
1999 Honda Civic Value Package 1.6L idle up & down VIN: 2HGEJ6610X
P0505: Idle Speed Control System. idle surges. any common problems with these cars. noticed the o2 sensors both switch at the same speed
April 17, 2007
2000 Volvo S70 2.4L MIL Lamp on VIN: YV1LS61J7Y
P0505: Air assisted control valve flow. ... Have this S70 with CE light on with 6 codes in system! cleared codes car cranks over but will not turn on til CE light comes back on, car will run normal after it's on! Listed all codes that were in system, need def. for P1671 if anyone can get that to me ...
April 26, 2007