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#4690621 - 03/10/18 02:58 PM How often cleaning MAF sensor/Throttle body?
ZZman Offline


Registered: 03/17/08
Posts: 5794
Loc: Michigan
How often do you all clean these?

It is rare for me to.
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#4690624 - 03/10/18 03:01 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
NGRhodes Offline


Registered: 01/06/13
Posts: 326
Loc: West Yorkshire, UK
I inspect at every service/oil change and clean as required.

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#4690629 - 03/10/18 03:04 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
Linctex Offline


Registered: 12/31/16
Posts: 6178
Loc: 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.
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#4690630 - 03/10/18 03:04 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
WobblyElvis Offline


Registered: 09/23/14
Posts: 1355
Loc: 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.

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#4690661 - 03/10/18 03:51 PM Re: How often cleaning MAF sensor/Throttle body? [Re: Linctex]
malibuguy79 Offline


Registered: 12/11/17
Posts: 86
Loc: 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
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#4690664 - 03/10/18 03:54 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
miden851 Offline


Registered: 02/15/16
Posts: 433
Loc: GA
I did once, but there was no need for doing it; no difference in my case
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#4690665 - 03/10/18 03:55 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
Jimzz Offline


Registered: 10/03/14
Posts: 1148
Loc: 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.
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#4690667 - 03/10/18 03:57 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
barkingspider Offline


Registered: 12/22/13
Posts: 2051
Loc: 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
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#4690676 - 03/10/18 04:14 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
ARB1977 Offline


Registered: 06/12/05
Posts: 5170
Loc: North Texas
I cleaned mine for the first time at 60K on the Tacoma. It wasn’t bad.
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#4690702 - 03/10/18 04:58 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ARB1977]
Kira Offline


Registered: 08/19/10
Posts: 5263
Loc: 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.

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#4690726 - 03/10/18 05:18 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
Kibitoshin Offline


Registered: 04/19/16
Posts: 698
Loc: Kaiōshinkai
Whenever I have to pull the ducting to perform other service which is rarely. Or every five years when I change the air filter.
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#4690768 - 03/10/18 06:18 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
nyumski Offline


Registered: 05/14/15
Posts: 227
Loc: 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
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#4690908 - 03/10/18 08:47 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
Linctex Offline


Registered: 12/31/16
Posts: 6178
Loc: 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."

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#4690985 - 03/10/18 10:30 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
Leo99 Offline


Registered: 03/30/14
Posts: 3052
Loc: NJ
Every 100k miles.
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#4691863 - 03/11/18 07:56 PM Re: How often cleaning MAF sensor/Throttle body? [Re: ZZman]
researcher Offline


Registered: 04/12/12
Posts: 257
Loc: 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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