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Gunked up throttle body?

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Old Dec 26, 2016 | 10:21 PM
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Default Gunked up throttle body?

I put a cold air intake on my 2001 corvette the other day and when looking at the throttle body it was very fouled up with i guess carbon all on the butterfly opening. Is this normal? Anything i can do to prevent it? Car has 43000 miles on it.
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Old Dec 26, 2016 | 10:41 PM
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There is no carbon in front of the throttle body.... just use some throttle body cleaner ( spray bottle.

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Old Dec 26, 2016 | 11:16 PM
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Well said carbon for lack of a better word. It was black looking.
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Old Dec 26, 2016 | 11:21 PM
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Use what E-T said, it works very well.
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Old Dec 26, 2016 | 11:24 PM
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Will do just wondering where it came from and anyway to prevent it. Thanks.
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Old Dec 27, 2016 | 01:41 AM
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Originally Posted by wildazme
Will do just wondering where it came from and anyway to prevent it. Thanks.
If you have an oiled air filter, it has too much oil.. it needs to be cleaned, or replaced. If you have a dry element, you might want to change it. you may have a modified air box or an after market filter. Just some reason for build up in the throttle body.
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Old Dec 27, 2016 | 02:02 AM
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Everything was stock with the airbox.
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Old Dec 27, 2016 | 06:57 AM
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There is no way to prevent it.....it's just the nature of the beast.
I'm running a bone stock motor with stock air filter and mine was, for a lack of a better word, carboned up around the throttle plate.
Get a can of the Throttle body cleaner that ET mentioned and clean her up !

You can go one step further...it wouldn't hurt to clean the sensor wire on the Mass Air Flow sensor.

I purchased a small can combo kit of both TB and MAF Cleaner from Walmart.



Last edited by SG Lou; Dec 27, 2016 at 07:01 AM.
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Old Dec 27, 2016 | 09:22 AM
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It's normal. I just spray carb cleaner on a paper towel and wipe the TB & blade with it. Just hold the blade open with a finger and go after the edges and back of the blade & TB throat.
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Old Dec 27, 2016 | 09:55 AM
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What they said, totally normal and you should clean every now and then
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