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Old 08-04-2019, 06:07 PM   #1
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Throttle body was full of crap - Cleaned it the wrong way.

Hi there friends :)
09 Focus with the 2L petrol

Electric throttle body was full of crap, so I removed it, and sprayed it down with Contact Cleaner (the most gentle spray I had)
The rusty gunk that didn't come out with the rag... I used a few passes of steel wool you use in the kitchen to wash pots and stuff. So now it's clean and shiny.

The car runs much much better now. Throttle doesn't jump to 2.5k rpm off traffic lights anymore... So I am quite happy that it was an actual problem that got solved
Of course, I may have removed the inner factory non stick coating by using electric spray/steelwool but does that mean that I have to get a new throttle body now ? Is the car taking damage with that coating stripped ? Or will I just have to clean it more often, like once a year ?

If I have to get a new throttle body, which one do you recommend ?
My logic may be defective, but if it sits there for 10 years with black oily petroleum carbon gunk, doesn't that by itself strip the "coating" off ? But oh well :) It seems like one of those things that is only valid for the first 3 years of ownership... I mean, if it's a teflon of some sort there is no way it's still on there even without me rubbing it with steel wool.

Thanks for any tip guys, just a noob trying to learn and not do more damage.



Last edited by Silencer23; 08-04-2019 at 06:10 PM.
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Old 08-04-2019, 07:00 PM   #2
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Ignore that coating removal warning, Ford did that simply to sell more throttle bodies. Of course you may have to clean it once more in the future, but if it worked to begin with you would never have to clean it at all.

I've been removing that coating since '94 and the first time I ever saw the warning, it means literally nothing.

Your TB will work just fine.
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Old 08-05-2019, 03:12 AM   #3
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Superb ! That was my logic also. Thanks AMC !
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Old 08-05-2019, 11:11 AM   #4
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Quote:
Originally Posted by amc49 View Post
Ignore that coating removal warning, Ford did that simply to sell more throttle bodies. Of course you may have to clean it once more in the future, but if it worked to begin with you would never have to clean it at all.

I've been removing that coating since '94 and the first time I ever saw the warning, it means literally nothing.

Your TB will work just fine.
Im pretty sure my 91 mustang had that sticker on it saying it had a coating on it and not to clean it.
Cleaned it once a year anyway and never had issues from it.
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Old 08-07-2019, 08:32 AM   #5
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Yeah, it was all the rage back then, a lot of the Fords claimed if you cleaned it you messed it up. Good way for the dealer mechs to get the unlearned to buy into new TBs not needed at all. I feel some 90% of them are sold for no reason at all other than you are told you need one.

One of the typical reasons I give myself now as to why I have left Ford forever after 40+ years of stupid loyalty to them. There's a hundred more behind that one.
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