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Obd code p0505 - 2002 Nissan Quest

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SOURCE: what is OBD code P0505 and how or what do I need to do to fix

it's a code for a malfunctioning idle air control valve. Buy a new part and replace the defective unit. They cannot be taken apart and cleaned successfully.

Posted on Apr 21, 2014

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What is OBD code P0505 and how or what do I need to do to fix


it's a code for a malfunctioning idle air control valve. Buy a new part and replace the defective unit. They cannot be taken apart and cleaned successfully.

Apr 21, 2014 | 2002 Nissan Quest

1 Answer

97 prelude idle air control system, looking for scimatics


All you need to do is use Google

Type: 1997 Honda OBD PO505

OBD -- before any code, will give you
hours of reading & studying on the internet

Apr 01, 2014 | 1997 Honda Prelude

1 Answer

How do i fix it?


Google the Code & do some studying
OBD PO505
May be able to remove & clean the solenoid.

Jul 20, 2013 | Cars & Trucks

1 Answer

How to fix code P0505 code on 2000 kia sportage?


P0505: Idle Air Control Valve System fault, Code P0505
-Vacuum leak
-Dirty throttle body
-IAC motor defective
-Poor electrical connection to the IAC valve, hope this helps and good-day !

Mar 29, 2012 | 2000 Kia Sportage

2 Answers

2001 maxima engine service light for 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 cause other IAC codes to set. Just ignore them for now). If the P0505 code doesn't reset, replace the IAC. It is internally shorting one of the IAC circuits. If the code DOES return after unplugging the IAC and starting the engine, then you know it isn't the IAC motor. Visually check the wiring harness all the way back to the PCM. You may need to visually inspect the harness by removing all the insulation off the wires. It is possible that the wires could be shorting to eachother or to other wires in the harness.

If there are no wiring problems, and the code keeps returning with the IAC unplugged, you can check the PCM by removing the IAC wires from the PCM connector (or clipping the wires in a location where they can be repaired easily) and then start the engine (If you're not sure, don't do it. Take it to a qualified professional). Now if the code doesn't reset there is a problem with the wiring. Check for continuity on all the IAC wires. Any resistance points to a problem. Check for voltage on any(At this point there shouldn't be any voltages on the wires because they're clipped at one end and unplugged at the IAC). Repair as necessary. But if the P0505 code DOES reset after removing the IAC wires from the PCM connector(or clipping them), replace the PCM, there's a problem internally on the IAC control circuit.

Around $200.00 for parts, labor and fees.

Apr 14, 2011 | 2001 Nissan Maxima

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When engine gets hot, idle is up and down with the engine light on. OBD code gives a P0505 code.


per this address "http://www.obd-codes.com/trouble_codes/" p0505 is a "IAC (Idle Air Control) System Malfunction" it gives some good suggestions to look at to find a solution for your problem.

Dec 14, 2010 | 2002 Honda Odyssey

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