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How to Clean your throttle body + MAF

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Old 08-26-2014, 12:17 AM   #91
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Another STICKY! Come on Mods...forum members shouldn't have to search for the most viewed and highly rated threads. They should be a STICKY.
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Old 01-15-2015, 02:30 PM   #92
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Gonna give this a try here shortly. 2005 5.4 3v with 113k miles on it. Owned for 3 years. Had 37k on it when I bought it, and a K&N filter (been swapped out to high flow dry one for a year now).

Having the following codes:

P0120 - Throttle/Pedal Position Sensor A Circuit Range/Performance

P0174 - System too lean (Bank 2)

P2104 - Throttle Actuation Control System Forced Idle

P2112 - Throttle Actuation Control System Stuck Closed

We'll see if this fixes the issues, or if I have more to deal with.

Anyone with other thoughts on if this is it, feel free to chime in while I get this done.

Thanks for the great post!!
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Old 01-16-2015, 07:56 AM   #93
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Cleaned both the throttle body (the lower and butterfly were nasty as hell), and the MAF.

Did the restart according to the directions, then went on the drive. Much better throttle response.

30 miles to work this morning, and no hesitations, cleaner idle, and much better performance.

Driving 250 miles this afternoon, and will post mpg improvements, if any.

Thanks again for this post!
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Old 01-19-2015, 12:08 AM   #94
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Quote:
Originally Posted by abgiles View Post
Cleaned both the throttle body (the lower and butterfly were nasty as hell), and the MAF.

Did the restart according to the directions, then went on the drive. Much better throttle response.

30 miles to work this morning, and no hesitations, cleaner idle, and much better performance.

Driving 250 miles this afternoon, and will post mpg improvements, if any.

Thanks again for this post!
glad to hear it worked out. One thing I wish I had done to my 98 when i had it was clean the tb out by removing it and even the intake manifold. 14 years of driving im sure built up some lovely goo.
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Old 01-19-2015, 06:43 PM   #95
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Cleaned mine too truck works great on stock but in lvl 2 I get a code now not sure what's going on
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Old 02-17-2015, 01:07 PM   #96
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Default Same Problem with Throttle Body

Followed this thread to fix my little throttle body problem on my 2005 F150 4.6 V8 Flair side. Followed step by step, finished in under 20 mins, including road test, works just like knew, well done.

Cheers

Anthony
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Old 06-30-2015, 02:09 AM   #97
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Quote:
Originally Posted by recceboy View Post
Followed this thread to fix my little throttle body problem on my 2005 F150 4.6 V8 Flair side. Followed step by step, finished in under 20 mins, including road test, works just like knew, well done.

Cheers

Anthony
Glad I could be of service
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Old 07-10-2015, 06:02 PM   #98
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Default Did I just goof?

This was a wonderful guide and I feel like it was really easy. However, I'm really nervous now. I hope I didnt goof. Total amateur mechanic here. I was using a cleaning brush from Ace hardware and throttle body cleaner. Turns out the metal rod scratched my butterfly valve as you can see. Is this going to be a problem? I know the teflon coating is somewhat important.

I also was a dumbass and set my throttle body on a damn coffee filter atop the pavement. Looks like I marred the inside circumference on the bottom face of the throttle body. Again, have I screwed myself? Do I just bite the bullet and replace it?

Pics are included.
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Old 07-10-2015, 06:02 PM
 
 
 
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