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is this normal

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Old May 23, 2005 | 03:12 PM
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hey guys is it normal to have a little black build up on the butterfly in the throttle body. it is on the face leading to the air filter. it wipes right off, and almost looks like soot. i dont know if this is normal or not, what does it mean??
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Old May 23, 2005 | 03:14 PM
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mine has it.
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Old May 23, 2005 | 03:26 PM
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running rich...
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Old May 23, 2005 | 04:30 PM
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Every multi-port fuel-injected car I've had gets black junk on the back of the flap. Service shops around my area commonty spray them w/carb cleaner to clean them.
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Old May 23, 2005 | 04:41 PM
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Originally Posted by 777
running rich...
How does that make sense?
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