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P0505 Diagnostic Trouble Code Discussion for August 2010

Idle Air Control Motor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1999 Jeep Grand Cherokee Limited 4.0L Poor Idle Quality, MIL Lamp on VIN: 1J4GW68S4X
P0505: Idle Air Control Motor Circuit Malfunction. ... no control of the idle rpm, code p0505, iac circuit problem. Cannot see any iac movement inside of throttle body. Removed throttle body and cleaned. Replaced iac motor. Replaced tps. Pin checked wires from both iac and tps back to pcm, all ok. Have .5 volt...
August 03, 2010
2006 Ford Mustang 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1ZVHT80NX6
P0505: Idle air control system fault. Hello everyone, Could use some help with this one. Car came in running extemely rough. Black smoke from tailpipe.Fuel pressure seems within spec 75 psi. Replace spark plugs, they were black, obviously running rich. I swapped out fuel pump driver module and fue...
August 05, 2010
2001 Acura TL 3.2L Hesitation, Cuts out VIN: 1Z324TY5KD
P0505: Idle Speed Control System. Vehicle will start every time however when throttle is depressed engine will nearly or will die. Once above 2500 by feathering throttle, engine runs perfect. Engine performance increases if fuel return is pinched, however fuel regulator and pump have been chan...
August 16, 2010
2001 Acura TL 3.2L Hesitation, Cuts out VIN: 1Z324TY5KD
P0505: Idle Speed Control System. Vehicle will start every time however when throttle is depressed engine will nearly or will die. Once above 2500 by feathering throttle, engine runs perfect. Engine performance increases if fuel return is pinched, however fuel regulator and pump have been chan...
August 18, 2010
1999 Jeep Grand Cherokee Limited 4.0L Poor Idle Quality, MIL Lamp on VIN: 1J4GW68S4X
P0505: Idle Air Control Motor Circuit Malfunction. ... no control of the idle rpm, code p0505, iac circuit problem. Cannot see any iac movement inside of throttle body. Removed throttle body and cleaned. Replaced iac motor. Replaced tps. Pin checked wires from both iac and tps back to pcm, all ok. Have .5 volt...
August 03, 2010
2006 Ford Mustang 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1ZVHT80NX6
P0505: Idle air control system fault. Hello everyone, Could use some help with this one. Car came in running extemely rough. Black smoke from tailpipe.Fuel pressure seems within spec 75 psi. Replace spark plugs, they were black, obviously running rich. I swapped out fuel pump driver module and fue...
August 05, 2010
2001 Acura TL 3.2L Hesitation, Cuts out VIN: 1Z324TY5KD
P0505: Idle Speed Control System. Vehicle will start every time however when throttle is depressed engine will nearly or will die. Once above 2500 by feathering throttle, engine runs perfect. Engine performance increases if fuel return is pinched, however fuel regulator and pump have been chan...
August 16, 2010
2001 Acura TL 3.2L Hesitation, Cuts out VIN: 1Z324TY5KD
P0505: Idle Speed Control System. Vehicle will start every time however when throttle is depressed engine will nearly or will die. Once above 2500 by feathering throttle, engine runs perfect. Engine performance increases if fuel return is pinched, however fuel regulator and pump have been chan...
August 18, 2010