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How often cleaning MAF sensor/Throttle body? #4690621
03/10/18 03:58 PM
03/10/18 03:58 PM
Joined: Mar 2008
Posts: 5,942
Michigan
ZZman Offline OP
ZZman  Offline OP
Joined: Mar 2008
Posts: 5,942
Michigan
How often do you all clean these?

It is rare for me to.


2003 Mercury Grand Marquis. Rotella T6 Multi-Vehicle oil
2008 Sebring Hardtop convertible. Rotella T6 Multi-Vehicle oil
2006 Kawasaki Vulcan 900 LT. Amsoil Metric 10w-40
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690624
03/10/18 04:01 PM
03/10/18 04:01 PM
Joined: Jan 2013
Posts: 354
West Yorkshire, UK
NGRhodes Offline
NGRhodes  Offline
Joined: Jan 2013
Posts: 354
West Yorkshire, UK
I inspect at every service/oil change and clean as required.

Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690629
03/10/18 04:04 PM
03/10/18 04:04 PM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
I use a good air filter, my MAF never ever ever needs cleaning.... ever.

The TB I cleaned once at 120,000... it was almost perfectly clean to begin with.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690630
03/10/18 04:04 PM
03/10/18 04:04 PM
Joined: Sep 2014
Posts: 1,446
Toronto Canada
WobblyElvis Offline
WobblyElvis  Offline
Joined: Sep 2014
Posts: 1,446
Toronto Canada
Normally about every 80,000 miles. If the engine is tired and drawing a little oil vapor out of the engine into the intake, I would clean it more often.

Re: How often cleaning MAF sensor/Throttle body? [Re: Linctex] #4690661
03/10/18 04:51 PM
03/10/18 04:51 PM
Joined: Dec 2017
Posts: 97
Maryland
malibuguy79 Offline
malibuguy79  Offline
Joined: Dec 2017
Posts: 97
Maryland
Originally Posted By: Linctex
I use a good air filter, my MAF never ever ever needs cleaning.... ever.

The TB I cleaned once at 120,000... it was almost perfectly clean to begin with.


Gotta worry about the other side. Unburned hydrocarbons can vent back and coat the MAF wires when the engine is turned off.

I clean mine every 15k. Might be too often but ohwell


Greg...the exhaust guy
I have a 10 Yaris, 97 Tercel 1nzfe swap coming, 82 Malibu 1uzfe swap in progress, 84 Bonneville street/strip car
She has 18 Fit and 01 Forester
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690664
03/10/18 04:54 PM
03/10/18 04:54 PM
Joined: Feb 2016
Posts: 517
GA
miden851 Offline
miden851  Offline
Joined: Feb 2016
Posts: 517
GA
I did once, but there was no need for doing it; no difference in my case


2008 Mazda6i GT; @202K miles
2016 Honda CR-V EX-L; @33K miles
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690665
03/10/18 04:55 PM
03/10/18 04:55 PM
Joined: Oct 2014
Posts: 1,217
NoVA
Jimzz Offline
Jimzz  Offline
Joined: Oct 2014
Posts: 1,217
NoVA
Throttle body, intake, and PCV system I try to clean every 30k or so.

The MAF sensor usually at the 100k service. Only time I would do it sooner is if the car is having issues and/or they run a "high flow" air filter.


yup
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690667
03/10/18 04:57 PM
03/10/18 04:57 PM
Joined: Dec 2013
Posts: 2,087
socal
barkingspider Offline
barkingspider  Offline
Joined: Dec 2013
Posts: 2,087
socal
I did my Colorado at 90k miles and it was filthy. FYI, there’s a drop in K&N filter in the air box


06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690676
03/10/18 05:14 PM
03/10/18 05:14 PM
Joined: Jun 2005
Posts: 5,243
North Texas
ARB1977 Offline
ARB1977  Offline
Joined: Jun 2005
Posts: 5,243
North Texas
I cleaned mine for the first time at 60K on the Tacoma. It wasn’t bad.


2015 Tacoma 4.0L 60K (as of 02/23/18)
AMSOIL SS 0W30 / Toyota filter

2018 CRV 1.5L (as of 05/11/18)
Factory fill / Honda filter
Re: How often cleaning MAF sensor/Throttle body? [Re: ARB1977] #4690702
03/10/18 05:58 PM
03/10/18 05:58 PM
Joined: Aug 2010
Posts: 5,648
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,648
Champlain/Hudson Valley
The ETB in my '99 and '02 Volvo V70's always looked like they belonged in a jewelry store's window.

When I got my '07 I didn't even think to look. I will during our next warm spell.

Many thanks.

BTW: My cars were not turbos nor had they any oiled air filtration option.

Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690726
03/10/18 06:18 PM
03/10/18 06:18 PM
Joined: Apr 2016
Posts: 752
Specific Ocean
Kibitoshin Offline
Kibitoshin  Offline
Joined: Apr 2016
Posts: 752
Specific Ocean
Whenever I have to pull the ducting to perform other service which is rarely. Or every five years when I change the air filter.


Shin Gekiretsu Shin'ou'hou
01 Toyota Tundra 2WD V8 4.7L - 170k mi
02 Chevy Silverado C1500 V8 5.3L 154k mi
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690768
03/10/18 07:18 PM
03/10/18 07:18 PM
Joined: May 2015
Posts: 235
Indonesia
nyumski Offline
nyumski  Offline
Joined: May 2015
Posts: 235
Indonesia
i live in Indonesia and quiet dusty here. i am using paper filter from Denso.

for cleaning MAF i routinely clean it every 10000 km


14 Toyota 2.5 D4D - PTT 10w30 CL4 --> oil from Thailand
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690908
03/10/18 09:47 PM
03/10/18 09:47 PM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: malibuguy79
Originally Posted By: Linctex
I use a good air filter, my MAF never ever ever needs cleaning.... ever. The TB I cleaned once at 120,000... it was almost perfectly clean to begin with.


Gotta worry about the other side. Unburned hydrocarbons can vent back and coat the MAF wires when the engine is turned off.


Never.

The MAF is 3 feet in front of an electronic throttle body that is 100% closed when the engine is off.

It will never, ever happen.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4690985
03/10/18 11:30 PM
03/10/18 11:30 PM
Joined: Mar 2014
Posts: 3,245
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,245
NJ
Every 100k miles.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles
Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman] #4691863
03/11/18 07:56 PM
03/11/18 07:56 PM
Joined: Apr 2012
Posts: 288
Michigan
researcher Offline
researcher  Offline
Joined: Apr 2012
Posts: 288
Michigan
I think it is different for each engine, different designs. Like my 96 civic would need a cleaning every 3 years, 40k miles. or so.. But my 06 scion tc, needs it twice a year. The routing of the pcv system dumps the vapors right back at the throttle body on the tC. The civic routes it into the intake manifold downstream of the throttle plate. Hence less deposits.

The same applies to the MAF sensor. The throttle body and MAF get dirty on the tC at the same rate. Again it's because of the PCV system's design..

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