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Electronic body throttle cleaning ? #4669080
02/17/18 09:12 PM
02/17/18 09:12 PM
Joined: Apr 2008
Posts: 1,838
IL
Ndx Offline OP
Ndx  Offline OP

Joined: Apr 2008
Posts: 1,838
IL
Hi Guys,

I have Bosch TB drive by wire ...

Can I push on butterfly to open it ? I have read that it can mess up TB position and throw codes ?

Does TB cleaning help with anything there is little varnish

Thx

Re: Electronic body throttle cleaning ? [Re: Ndx] #4669086
02/17/18 09:17 PM
02/17/18 09:17 PM
Joined: Jun 2009
Posts: 1,852
Wisconsin
wallyuwl Offline
wallyuwl  Offline

Joined: Jun 2009
Posts: 1,852
Wisconsin
Most of the buildup will be on the back side and edges. I have cleaned electronic throttle bodys without issue. To be safer you could take it off to clean it, you will be able to clean it better too.

Re: Electronic body throttle cleaning ? [Re: Ndx] #4669109
02/17/18 09:41 PM
02/17/18 09:41 PM
Joined: Apr 2013
Posts: 2,555
The Northeast
mclasser Offline
mclasser  Offline

Joined: Apr 2013
Posts: 2,555
The Northeast
Here's what I did on my Infiniti's electronic TB (notorious for causing problems after a TB cleaning):

- Turned key to ACC position
- Set parking brake and then with foot on the brake pedal, shifted car into Drive. Do this on level ground of course.
- Put a brick on the gas pedal.
- This opened up the butterfly valve naturally without me manually pushing it.
- I carefully cleaned the grime and made sure not to push the valve.


Last edited by mclasser; 02/17/18 09:43 PM.

2018 Hyundai Elantra VE
2013 Honda Pilot EX-L 4WD
2002 Honda Accord EX-L

Re: Electronic body throttle cleaning ? [Re: Ndx] #4669113
02/17/18 09:49 PM
02/17/18 09:49 PM
Joined: Dec 2011
Posts: 5,636
North Carolina
rooflessVW Online content
rooflessVW  Online Content

Joined: Dec 2011
Posts: 5,636
North Carolina
I just pushed mine open.

YOLO


"Zed's dead baby, Zed's dead."
Re: Electronic body throttle cleaning ? [Re: Ndx] #4669267
02/18/18 05:34 AM
02/18/18 05:34 AM
Joined: Jan 2018
Posts: 875
San Antonio, TX
das_peikko Offline
das_peikko  Offline

Joined: Jan 2018
Posts: 875
San Antonio, TX
If the thing is still plugged in, it can do terrible things to your fingers. Not worth it.

Re: Electronic body throttle cleaning ? [Re: Ndx] #4669338
02/18/18 08:46 AM
02/18/18 08:46 AM
Joined: Sep 2013
Posts: 10,895
Indiana
dlundblad Offline
dlundblad  Offline

Joined: Sep 2013
Posts: 10,895
Indiana
If you're worried about hurting it, you could always buy new. hide


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Electronic body throttle cleaning ? [Re: Ndx] #4669340
02/18/18 08:48 AM
02/18/18 08:48 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline

Joined: Dec 2013
Posts: 3,989
Manchester, England
If you can't remove the TB to clean it properly use a 'U' straw or a 'J' straw to sneak past the blade and spray the back of it


Cable ties should hold it
Re: Electronic body throttle cleaning ? [Re: Ndx] #4669341
02/18/18 08:48 AM
02/18/18 08:48 AM
Joined: Jan 2009
Posts: 1,383
Watertown, New York
cronk Offline
cronk  Offline

Joined: Jan 2009
Posts: 1,383
Watertown, New York
I cleaned the electric tb on our Nissan Quest a couple years ago.
I unplugged the electrical connector, then pushed it open with my fingers, sprayed it with some Amsoil Powerfoam, let it soak for 20 minutes, sprayed it again, hooked everything back up, and was good to go.

I have heard it is important to unplug the TB or the motor could shut the butterfly on your fingers!


2008 Ford F350
2003 Chevy Cavalier
2011 Nissan Quest
1986 Pontiac Trans Am
1940 Ford 9N Tractor
Amsoil lubes and filters!
Re: Electronic body throttle cleaning ? [Re: cronk] #4669349
02/18/18 08:57 AM
02/18/18 08:57 AM
Joined: Apr 2010
Posts: 620
Suburban Washington DC
atikovi Offline
atikovi  Offline

Joined: Apr 2010
Posts: 620
Suburban Washington DC
Originally Posted By: cronk
I have heard it is important to unplug the TB or the motor could shut the butterfly on your fingers!


I have heard if you unplug it, it erases the memory of the basic settings. It might not start or it might idle too fast. The butterfly opens one way so just don't stick you finger in where it will damage it.

Re: Electronic body throttle cleaning ? [Re: cronk] #4669357
02/18/18 09:03 AM
02/18/18 09:03 AM
Joined: Sep 2010
Posts: 8,167
Texas
4WD Offline
4WD  Offline

Joined: Sep 2010
Posts: 8,167
Texas
Originally Posted By: cronk
I cleaned the electric tb on our Nissan Quest a couple years ago.
I unplugged the electrical connector, then pushed it open with my fingers, sprayed it with some Amsoil Powerfoam, let it soak for 20 minutes, sprayed it again, hooked everything back up, and was good to go.

I have heard it is important to unplug the TB or the motor could shut the butterfly on your fingers!


Old toothbrush is a good finger with bristles

Re: Electronic body throttle cleaning ? [Re: Ndx] #4669391
02/18/18 09:29 AM
02/18/18 09:29 AM
Joined: Jun 2003
Posts: 5,975
Illinois
SHOZ Offline
SHOZ  Offline

Joined: Jun 2003
Posts: 5,975
Illinois
If you cannot get the throttle body to open with the key on and brick method how else are you going to open it? On my Gen Coupe, the TB will not open unless the engine is running. I have opened it by hand many times.


2008 Hyundai Accent 1.6L 5 sp manual hatchback
2010 Hyundai Genesis Coupe Track 2L Turbo 6sp manual
Re: Electronic body throttle cleaning ? [Re: SHOZ] #4669403
02/18/18 09:33 AM
02/18/18 09:33 AM
Joined: Apr 2010
Posts: 620
Suburban Washington DC
atikovi Offline
atikovi  Offline

Joined: Apr 2010
Posts: 620
Suburban Washington DC
Originally Posted By: SHOZ
On my Gen Coupe, the TB will not open unless the engine is running. I have opened it by hand many times.


So which is it? It will not open unless the engine is running, or, you have opened it by hand many times?

Re: Electronic body throttle cleaning ? [Re: Ndx] #4669487
02/18/18 10:34 AM
02/18/18 10:34 AM
Joined: Apr 2014
Posts: 1,948
Spring,Texas
Bud_One Offline
Bud_One  Offline

Joined: Apr 2014
Posts: 1,948
Spring,Texas
I disconnect the vehicle battery anytime I have to clean one and manually open it.
I just cleaned the t\b on my daughter's 2013 Nissan Maxima .
No issues after. Car runs better she says.


16 Civic-QSUD 0W-20, XG7317
14 Civic-Idemitsu Zepro 0W-20, XG7317
05 Chevy 2500HD-QSUD 10W-30, XG3675
97 Accord Wagon-Havoline ProDS 10W-30, TG7317
Re: Electronic body throttle cleaning ? [Re: Ndx] #4669490
02/18/18 10:35 AM
02/18/18 10:35 AM
Joined: Apr 2010
Posts: 620
Suburban Washington DC
atikovi Offline
atikovi  Offline

Joined: Apr 2010
Posts: 620
Suburban Washington DC
OK makes sense. When you said the TB will not open unless the engine is running, threw me.

Re: Electronic body throttle cleaning ? [Re: Ndx] #4670227
02/18/18 09:20 PM
02/18/18 09:20 PM
Joined: Aug 2003
Posts: 11,227
Buffalo, NY
JTK Offline
JTK  Offline

Joined: Aug 2003
Posts: 11,227
Buffalo, NY
Any of the E-throttles I've fiddled with, you were able to push the throttle plate open by hand with the engine off, key out.

Main thing used to be was, don't actuate them by hand from under the hood with the engine running or ignition on. If the accelerator pedal position sensor doesn't jive with the throttle position sensor(s) on the TB itself, codes can be thrown or other associated good times *could* happen. Obviously these two sensors will not by in sync if you actuate the E-throttle from under the hood w/out mashing the go pedal.

I have no idea if the above still applies. I haven't owned a vehicle long enough in the past 10+ years to mess with throttle cleaning.

Last edited by JTK; 02/18/18 09:21 PM.

2017 Ram 1500 4x4, 3.6L. 2016 Nissan Quest SV (Babe magnet IV)
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