Ok, this is goin to be lots of explaining on.

JARED1305

MEMBER
2006 FORD CROWN VICTORIA
911,800 MILES

Ok, this is goin to be lots of explaining on what I did. So bear with me. I bought a K&N cold air intake for my 2006 Crown victoria Police Interceptor. I put it in, and all of a sudden it starts to crap it's pants. I got the wrench and engine warning lights (didnt have any codes before I replaced the air system) and started to bog and putt. The codes were P061B and P2106. I checked the mass airflow sensor, and cleaned it with CRC Mass air flow cleaner and was carefull during intallation not to touch the sensor or anything like that. I checked the system for leakes, including the vacume line both on the engine and the system and they were sealed. The K&N filter was factory oiled and was tacky, not oily where it would cause the sensor problems at all. I then put the stock airbox back on and cleared the codes and the car runns as advertised. I again put the K&N in and SAME EXACT PROBLEM. Help. Seroiusly. Im loosing my mind

3 Replies

HMAC300

MECHANIC
48,601 POSTS

This is probably what is happening with a the K&N filter in your car.
On� Ford� 500� and� Freestyle� with� 3.0L, � and� codes� P061B� and/or� P2106� check� the� air� box� to� make� sure� it� is� clipped� in� correctly.� � If� it� is� loose� or� the� air� filter� seal� is� torn� it� can
cause� these� codes� and� cause� the� car� to� go� into� limp� in� mode.
The way a K&N is set up either to much oil in the filter even if factory lubed or any air leak in engine like a bad grommet on engine wil probably set teh code. You can get the pcm reprogrammed for this I f you want but it'snot going to hlep a great deal.

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Monday, November 26th, 2012 AT 3:41 PM

JARED1305

MEMBER
2 POSTS

Its a cold air intake, like the full system. I already checked the system and I would bet my immortal soul that it is sealed. The K&N filter on the end is not excessively oiled and im sure of this. Ive had 3 of these systems before

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Tuesday, November 27th, 2012 AT 1:33 AM

HMAC300

MECHANIC
48,601 POSTS

Wel there seem s to be problems that crop up using these typesof filters as they suck a little more air than the stock ones. You can have your pcm reprogrammed to run it without those codes buti'm pretty sure this is wha t is causing your problem especially since y ou say you replace the srtock ones and the problem goes away. OBD2 is a funny system and doesn't like alot of things done to this that is why I asked to check the grommets on valve covers for loose or holes in it. That can cause the maf code as well because it 's an air leak.

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Tuesday, November 27th, 2012 AT 3:48 PM