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Throttle body & Idle control cleaning

 
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Old 02-23-2014, 10:47 PM
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Icon5 Throttle body & Idle control cleaning

So I was looking about my o2 sensors and something said that even if your idle control or throttle body are dirty that a new o2 sensor will go bad again, as of right now my bank 1 sensor 2 is bad, and I am straight piping my car tomorrow or the next day, and I'm getting a false o2 sensor with it. So I thought cleaning my idle control and my throttle body anyways, is there a guide on where to find/remove them? Looked around for a little bit but couldn't find a sure thing about it
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Old 02-23-2014, 11:07 PM
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Re: Throttle body & Idle control cleaning

Do you have a USDM h22a4?

if so... throttlebody is that circular thing with a flap on the inside. Between your intake and intake manifold...

Your IACV is on the front of the intake manifold.

Not knowing where those two very basic things are, and wanting to "straight pipe" your car.... /facepalm


These will not make your o2 sensor fail any faster if they're not "clean". I recommend you leave the IACV alone unless you have an issue with it.

If you're getting a "false" o2 sensor... whatever that may be... why are you worried about the sensor that will no longer be there?
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Old 02-23-2014, 11:13 PM
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Re: Throttle body & Idle control cleaning

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Originally Posted by wing8806 View Post
Do you have a USDM h22a4?

if so... throttlebody is that circular thing with a flap on the inside. Between your intake and intake manifold...

Your IACV is on the front of the intake manifold.

Not knowing where those two very basic things are, and wanting to "straight pipe" your car.... /facepalm


These will not make your o2 sensor fail any faster if they're not "clean". I recommend you leave the IACV alone unless you have an issue with it.

If you're getting a "false" o2 sensor... whatever that may be... why are you worried about the sensor that will no longer be there?
I was just confused about where it was. But its just a thing that screws over your o2 sensor its still there, but I thought it would be a good idea to clean out the throttle body anyway
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Old 02-24-2014, 12:05 PM
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Re: Throttle body & Idle control cleaning

Not a bad idea to clean those 2 items, but...
You should figure on replacing the o-rings on the iacv before you re-intall it.

I'm with wings in that unless there's an issue, leave it alone.
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Old 02-24-2014, 03:59 PM
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Re: Throttle body & Idle control cleaning

there's a video on youtube which shows how to remove the iacv on a civic i believe. it's the same concept, i followed it and worked out fine. btw i suggest you have a rag placed under the iacv when you replace it, since it will leak some coolant. nothing to crazy though.
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Old 02-25-2014, 04:44 AM
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Re: Throttle body & Idle control cleaning

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Old 02-25-2014, 10:05 PM
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Re: Throttle body & Idle control cleaning

False O2 sensor..like.. the sensor extender with the 90-degree elbow that will trick the ECU into thinking something different?

If so, I've always wondered how those work. I have headers on my Xterra that caused me to get code P0420, but that's the 'Catalyst below effenciency threshold' code and even if I installed those O2 extenders to trick it, the motor would still be running rich, just thinking it was running fine.

Are you getting a CEL? I've read that you can clean your O2 sensors with electrical parts cleaner and sometimes even have problems like that rectified by running a Seafoam treatment but..what exactly is your problem? If you're like me and just wanna clean **** to have it clean, well..I certainly understand that.
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