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P0505 Diagnostic Trouble Code Discussion for February 2007

Idle Air Control Motor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2001 Honda Accord EX 3.0L Surge, MIL Lamp on
P0505: Idle Speed Control System. ... and surging idle. DTC p0505 present iac malfunction. goin with tests from mitchell i check for vacuum leaks none present and my fuel trims are ok. disconnect iac at idle and no change in idle. mitchell says if this occurs replace iac. i replace it and let ...
February 05, 2007
2000 Toyota Celica GT 1.8L Poor Idle Quality, MIL Lamp on VIN: JTDDR32T6Y
P0505: Idle Control System Malfunction. Test the idle with OTC Genisys, Idle should be 700-800rpms with a/c off and 800-900rpms with a/c on. But it is the other way arround, without it the idle is @[...] and with it @600rpms. The code is 505, idle control system malfunction. No vacuum leaks detected...
February 13, 2007
2003 BMW 330Ci 3.0L MIL Lamp on VIN: WBABS53473
P0505: Idle Air Control. ... MIL on with code P0505, which I beleive is equivalent to BMW code 136. Mitchell does not offer diagnostic info on this code, and Alldata info is very scarce. Any info you could help with would be very much appreciated. Thank you in advance.
February 16, 2007
1999 Ford Ranger XL 3.0L Poor Idle Quality, Hesitation, Stall VIN: 1FTZR15V5X
P0505: Idle control malfunction KOER test. ... Thanks for taking the time to read this. Ok we brought this one in on the hook. Customer said all was normal driving ok. Went to the post office, came out and it would not go. He thought it was a clutch linkage problem.. At first it would not run start a...
February 19, 2007
1996 BMW Z3 Roadster 1.9L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 4USCH7323T
P0505: Idle Control System Malfunction. Hello BMW Techs out there, This little car is a real pain. It originally came in with the idle wavering between 700 and 2100 rpm up and down like it couldn't find idle speed and it smells really rich. Found the plenum adjuster (the plastic butterfly inside th...
February 20, 2007
1996 BMW Z3 Roadster 1.9L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 4USCH7323T
P0505: Idle Control System Malfunction. Hello BMW Techs out there, This little car is a real pain. It originally came in with the idle wavering between 700 and 2100 rpm up and down like it couldn't find idle speed and it smells really rich. Found the plenum adjuster (the plastic butterfly inside th...
February 21, 2007
2001 Nissan Maxima SE 3.0L Poor Idle Quality, MIL Lamp on VIN: JN1CA31071
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. now it idles up and down no check engine light but wont idle down below 1,000 but does surge to 2,400 any sugetions? the dealer wont help me with it but he did say this was problem with these cars
February 21, 2007
2000 Nissan Maxima GLE 3.0L Stall, MIL Lamp on VIN: JN1CA31D2Y
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. problelm child, had misfire codes a month ago with random stalling, did coil packs and before leaving car was sitting idling and stalled, one time episode. customer is back stalling frequently, always when sitting at a stop. for us it cut out twice when puttin...
February 22, 2007
1997 Mitsubishi Eclipse Spyder GS 2.4L Poor Idle Quality VIN: 4A3AX35G7V
P0505: Idle Air Control Motor Circuit Malfunction. started as irratic idle(surge). replaced computer than found bad iac motor. replaced iac control went back and set sas and tps open/closed throttle switch as well as idle adjustment screw. idle is fine until rpm is raised and then dropped or until you snap the...
February 23, 2007
2001 Honda Accord EX 3.0L Surge, MIL Lamp on
P0505: Idle Speed Control System. ... and surging idle. DTC p0505 present iac malfunction. goin with tests from mitchell i check for vacuum leaks none present and my fuel trims are ok. disconnect iac at idle and no change in idle. mitchell says if this occurs replace iac. i replace it and let ...
February 05, 2007
2000 Toyota Celica GT 1.8L Poor Idle Quality, MIL Lamp on VIN: JTDDR32T6Y
P0505: Idle Control System Malfunction. Test the idle with OTC Genisys, Idle should be 700-800rpms with a/c off and 800-900rpms with a/c on. But it is the other way arround, without it the idle is @[...] and with it @600rpms. The code is 505, idle control system malfunction. No vacuum leaks detected...
February 13, 2007
2003 BMW 330Ci 3.0L MIL Lamp on VIN: WBABS53473
P0505: Idle Air Control. ... MIL on with code P0505, which I beleive is equivalent to BMW code 136. Mitchell does not offer diagnostic info on this code, and Alldata info is very scarce. Any info you could help with would be very much appreciated. Thank you in advance.
February 16, 2007
1999 Ford Ranger XL 3.0L Poor Idle Quality, Hesitation, Stall VIN: 1FTZR15V5X
P0505: Idle control malfunction KOER test. ... Thanks for taking the time to read this. Ok we brought this one in on the hook. Customer said all was normal driving ok. Went to the post office, came out and it would not go. He thought it was a clutch linkage problem.. At first it would not run start a...
February 19, 2007
1996 BMW Z3 Roadster 1.9L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 4USCH7323T
P0505: Idle Control System Malfunction. Hello BMW Techs out there, This little car is a real pain. It originally came in with the idle wavering between 700 and 2100 rpm up and down like it couldn't find idle speed and it smells really rich. Found the plenum adjuster (the plastic butterfly inside th...
February 20, 2007
1996 BMW Z3 Roadster 1.9L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 4USCH7323T
P0505: Idle Control System Malfunction. Hello BMW Techs out there, This little car is a real pain. It originally came in with the idle wavering between 700 and 2100 rpm up and down like it couldn't find idle speed and it smells really rich. Found the plenum adjuster (the plastic butterfly inside th...
February 21, 2007
2001 Nissan Maxima SE 3.0L Poor Idle Quality, MIL Lamp on VIN: JN1CA31071
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. now it idles up and down no check engine light but wont idle down below 1,000 but does surge to 2,400 any sugetions? the dealer wont help me with it but he did say this was problem with these cars
February 21, 2007
2000 Nissan Maxima GLE 3.0L Stall, MIL Lamp on VIN: JN1CA31D2Y
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. problelm child, had misfire codes a month ago with random stalling, did coil packs and before leaving car was sitting idling and stalled, one time episode. customer is back stalling frequently, always when sitting at a stop. for us it cut out twice when puttin...
February 22, 2007
1997 Mitsubishi Eclipse Spyder GS 2.4L Poor Idle Quality VIN: 4A3AX35G7V
P0505: Idle Air Control Motor Circuit Malfunction. started as irratic idle(surge). replaced computer than found bad iac motor. replaced iac control went back and set sas and tps open/closed throttle switch as well as idle adjustment screw. idle is fine until rpm is raised and then dropped or until you snap the...
February 23, 2007