Bad Throttle Body? - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 11-14-2012, 11:27 AM
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USA Bad Throttle Body?

I have a 2004 Toyota Camry, 2.4L. I was driving to work yesterday and lost all power on the highway in the middle of rush hour traffic, YIKES! I made to the side of the road and started back up, check engine light came on. Took it to Auto Zone and OBD says code P2112, Throttle Actuator Control system stuck closed. Took it home, pulled the throttle body off, cleaned it out, throttle plate was tought to move, but it got a little easier to move around with cleaning. I cleared the code, started her up and she immediately shut down. CEL came back on, only now it is P2111, same thing, but stuck open. Looks like I am forking out the $1200 to get it replaced. Any other suggestions?
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#2 Old 11-14-2012, 03:48 PM
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Woah no way you have to go with the $1200 TB. They can be had on eBay fr around 100 bucks.

The TB for yours is for 22030-0H020/21 for 04-06 Camry/Solara but I am 95% sure any 2004-2012 2AZFE Camry, tC, xB, Highlander, etc. TB will work. And it's only 4 bolts, 2 hoses, and a vacuum line to replace and takes maybe 20 minutes.

Here is a link to some used TB's.

http://shop.mobileweb.ebay.com/searc...0&isNewKw=true

I have only seem this once on a severely gummed Scion tC.

Hope this helps. You should be the guinea pig for the 22030-0H030/31 and see if it works to get an internally updated TB.



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#3 Old 11-14-2012, 04:05 PM
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Have you cleaned the TB prior to this event? Or was this the first time?

02 Camry XLE 2AZ-FE 332k M1 HM 5w30
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#4 Old 11-14-2012, 05:47 PM
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This is the first time I have cleaned it. The car as 95K miles on it, and other than this, no issues, ever, not even a battery replacement.

Should the throttle plate move with ease or should it be difficult to manually manipulate?
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#5 Old 11-14-2012, 05:49 PM
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It should be relatively easy to nice with a small amount if resistance when opening.

Did you clean it with key in the ON position?



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#6 Old 11-14-2012, 05:55 PM
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The key was out and in my pocket with the battery disconnected and I removed the throttle body from the car to clean it. It takes considerable force to move the plate, pretty sure it is time for a new one.

Last edited by Longstroke; 11-14-2012 at 06:04 PM.
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#7 Old 11-14-2012, 06:08 PM
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Sounds like motor broke internally. Once you get a new one you should pop off the rivets and add what went on.



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#8 Old 11-14-2012, 06:24 PM
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If your comparing it to the old days of the accelerator wire yes it gives more resistance because your manually turning the gears of the electronic motor. I would try to take the plastic cover off, see whats going on inside. Maye you will see something, lube the gears, etc.

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#9 Old 11-14-2012, 06:59 PM
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Originally Posted by leakyseals View Post
If your comparing it to the old days of the accelerator wire yes it gives more resistance because your manually turning the gears of the electronic motor. I would try to take the plastic cover off, see whats going on inside. Maye you will see something, lube the gears, etc.
I would love to see pics of the inside of the throttle body. I have a 2003 camry 4 cyl. and have the same setup. I say time to operate on the old throttle body...

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#10 Old 11-19-2012, 08:28 AM
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I am picking up a new throttle body today to install. Any suggestions. It seems pretty straight forward to replace, and I might as well save the money and do it myself.

I will post some pictures of the old one. I am curious to see what exactly is wrong.
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#11 Old 11-19-2012, 08:31 AM
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Just clean the mating surfaces so you don't have a vacuum leak.

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#12 Old 11-19-2012, 08:35 AM
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What kind of gasket is used? Sometimes they never seal the same once they are moved.

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#13 Old 11-19-2012, 08:54 AM
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I am getting a new gasket too. Any specific type of solvent to clean the mating surfaces?
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#14 Old 11-19-2012, 09:23 AM
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No real mounting surface to clean. The gasket is a protruding oring rather than a flat gasket.

I don't even replace them most of the time. They last forever. Since you likely bought one, just pop out the old and in with the new.

To remove and replace the TB.
Remove the air intake hose and 1 vacuum hose attached to the TB nipple.
Remove the 4 bolts/nut combo that secure the throttle body.
Remove the one large throttle body electrical connector.
Pull the throttle body off of the studs and then remove the 2 coolant hoses running into the throttle body by lowering the clamps lower on those hose and maneuvering off the hose (you may need needle nose pliers and proper sized hoses pliers).
Remove gasket
Reverse procedure for installation.



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#15 Old 11-19-2012, 10:08 AM
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It cost 1K or a new throttle body at the dealership. I am looking at ebay motors right now to purchase one. Any specific vendors? Can anyone help me make sure I get the one that I need?
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