Failed emission

[Smalldogg/03mm]

This code came up " P0506" and I didn't pass because of this... Di anybody no what this code mean.. Thanks and appreciate it....

[justbob]

Clean your IAC or replace.

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[DOOM]

My emissions testing is right around the corner.

Wondering if I'm going to pass! :sweat:

[justbob]

No way in hell is mine passing in Oct unless I do something. Stupid monitor checks...

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[Smalldogg/03mm]

Clean your IAC or replace.

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U something I just clean it a week ago when I clean my CAI.. That's the second time in about a month.. I'm having a idle problem again, I think its time to get another one..

But is that the code problem bob?? Thanks...


And I was hoping my car pass wash and wax her before I left.. Just knew I was going to pass:(.. Mines is due in sept. Had spare time and thought I would get it out the way.. Thanks

[justbob]

From what I remember on mine it is just a generic code for rough idle. Seems on almost all fords it comes right back to the IAC being the culprit. They do infact go bad and all the cleaner at the store won't fix them when they go.

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[Spectragod]

This may help.......

http://www.troublecodes.net/OBD2/Pcodes.shtml

[RF Overlord]

This code came up " P0506" and I didn't pass because of this... Di anybody no what this code mean.. Thanks and appreciate it....www.obd-codes.com is your friend

P0506 - Idle Air Control System RPM Lower Than Expected

Potential Symptoms

Most likely the only thing you'll notice is the idle speed is lower than normal so it will likely be rougher. There are potentially other symptoms as well. Of course, when trouble codes are set, the MIL (malfunction indicator lamp, a.k.a. the check engine light) illuminates.
Causes

A P0506 DTC trouble code may be caused by one or more of the following:

A vacuum leak
An air restriction in the intake air path or exhuast
A faulty positive crankcase ventilation (PCV) valve
Damaged/failed/dirty throttle body
Internal engine problem
Failed PCM

Possible Solutions

This DTC is more of an informational code, so if there are any other codes set, diagnose them first. If there are no other codes, inspect for vacuum leaks, restrictions, and damage. If there are no symptoms other than the DTC itself, just clear the code and see whether it returns.