Emission control device...removal legal? - Toyota FJ Cruiser Forum
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#1 (permalink) Old 05-30-2013, 02:47 PM
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Emission control device...removal legal?

The addition of an emission control device --where the Expedition washer bottle replacement would normally sit --is new for 2013 as most of us know. See thread: 2013 FJ - Winshield Washer Bottle solution Updates.

Question: Has anyone looked into seeing how necessary this thing is since it has been attached to pretty much the same engine that ran without it for several years?

Has anyone toyed with the idea of removing or tried removing it to make the 2013 engine as previous years that operated without it and still passed smog certs?

I know, I know-not so proper of an activity...but want to know whats been tried without incriminating anyone!

Bunch of crap liberals toss on our engines...hate it.

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Last edited by MotioncontrolMike; 05-30-2013 at 02:54 PM.
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#2 (permalink) Old 05-30-2013, 03:04 PM
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Re: Emission control device...removal legal?

It may throw a code but your right in saying it didn't used to have that from 2010- 2012. Not even sure what it does other than make using that space for a spare battery useless.


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#3 (permalink) Old 05-30-2013, 03:11 PM
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Re: Emission control device...removal legal?

If it doesn't cause you to throw a code of fail smog no worries. URD probably can work a solution if the code is the issue, not sure about smog. Haven't read that thread in detail though to understand what it does.
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#4 (permalink) Old 05-30-2013, 03:18 PM
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Re: Emission control device...removal legal?

This is the main reason I bought a left-over 2012 instead of a 2013. I think the same system has been on Tundras for a few years and they have been successful in removing em. Requires a electric box doo-hickey to plug in so your ecu doesn't throw any codes and block off plates for the exhaust manifold.

Its an air injection system for cold starts. Pumps hot air into the exhaust manifold in an attempt to heat up the catalytic converters faster. Not sure why they would use this complex/ expensive system when a simple heat blanket around the cats would do the same thing.

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#5 (permalink) Old 06-05-2013, 03:49 PM
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Re: Emission control device...removal legal?

I think you will get a code if you remove it.
what it does is it adds fresh air during cold start ups to heat up the catalytic converter faster to prolong the life of it. unburnt gasoline inside the cat will cause the cat to overheat.

from Wiki:
"Any condition that causes abnormally high levels of unburned hydrocarbons—raw or partially burnt fuel—to reach the converter will tend to significantly elevate its temperature, bringing the risk of a meltdown of the substrate and resultant catalytic deactivation and severe exhaust restriction. Vehicles equipped with OBD-II diagnostic systems are designed to alert the driver to a misfire condition by means of flashing the "check engine" light on the dashboard."

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#6 (permalink) Old 08-10-2013, 11:41 AM
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Re: Emission control device...removal legal?

I am toying with just removing the pump and capping the line. I want to drop a second battery in and that is the ideal spot for it. I just pulled the pump and ran the motor for a few min. No CEL but I'm sure I didn't run it through the full cycle. Before I Knew about the new system I install the URD y-pipe from my 07. 2000 miles and no CEL with two of the four cats gone. I may leave the pump unhooked for a while and see what happens.
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#7 (permalink) Old 08-10-2013, 03:03 PM
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Re: Emission control device...removal legal?

Very interested in this as well. Keep us posted!
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#8 (permalink) Old 08-10-2013, 05:25 PM
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Re: Emission control device...removal legal?

Removing or tampering with a manufacturer-installed emission control device is a Federal felony, punishable by fines and/or jail time. Same thing, legally, as removing the catalytic convertor, disabling any of the engine sensors, etc...

Aside from the legal issues, you will likely trigger engine check codes, and you might cause the engine's ECU to go into a default "limp" mode, hurting overall performance and fuel mileage.

I'd suggest leaving it alone, and finding another solution (pun intended) for the water bottle issue...

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#9 (permalink) Old 08-10-2013, 06:48 PM
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Re: Emission control device...removal legal?

Last time I was checking that emissions device out it seemed it may be possible to move it over a bit to allow room for placement of other items...
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#10 (permalink) Old 08-10-2013, 06:49 PM
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Re: Emission control device...removal legal?

Quote:
cruiserlarry previously said: View Post
Removing or tampering with a manufacturer-installed emission control device is a Federal felony, punishable by fines and/or jail time. Same thing, legally, as removing the catalytic convertor, disabling any of the engine sensors, etc...

Aside from the legal issues, you will likely trigger engine check codes, and you might cause the engine's ECU to go into a default "limp" mode, hurting overall performance and fuel mileage.

I'd suggest leaving it alone, and finding another solution (pun intended) for the water bottle issue...
Wowzwers. That's a bummer. Glad I skipped the Crawl control and map lights and settled for my '12! Good luck fellas!


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