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1986 Toyota 4-runner MAF cleaining help

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  #1  
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Drewsah
 
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Default 1986 Toyota 4-runner MAF cleaining help - 03-04-2007 , 11:24 PM






I was told that I need to clean my MAF to maybe help with some rough idling.
Can anyone help me with this. Where EXACTLY is the MAF and does anyone know
what I need to get to remove it for cleaning. I have an idea of where it
is, but I could use some input to be sure. Also, I have sensor cleaner
spray and everything already. thanks



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ed_herman@yahoo.com
 
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Default Re: 1986 Toyota 4-runner MAF cleaining help - 03-05-2007 , 07:21 AM






On Mar 4, 11:24 pm, "Drewsah" <stoker_d... (AT) hotmail (DOT) com> wrote:
Quote:
I was told that I need to clean my MAF to maybe help with some rough idling.
Can anyone help me with this. Where EXACTLY is the MAF and does anyone know
what I need to get to remove it for cleaning. I have an idea of where it
is, but I could use some input to be sure. Also, I have sensor cleaner
spray and everything already. thanks
Telling us the engine would help.



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  #3  
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Drewsah
 
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Default Re: 1986 Toyota 4-runner MAF cleaining help - 03-05-2007 , 02:41 PM




<ed_herman (AT) yahoo (DOT) com> wrote

Quote:
On Mar 4, 11:24 pm, "Drewsah" <stoker_d... (AT) hotmail (DOT) com> wrote:
I was told that I need to clean my MAF to maybe help with some rough
idling.
Can anyone help me with this. Where EXACTLY is the MAF and does anyone
know
what I need to get to remove it for cleaning. I have an idea of where it
is, but I could use some input to be sure. Also, I have sensor cleaner
spray and everything already. thanks

Telling us the engine would help.

My mistake, 22RE




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ed_herman@yahoo.com
 
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Default Re: 1986 Toyota 4-runner MAF cleaining help - 03-06-2007 , 06:17 PM



I'm not sure the 22RE has a MAF as such. It has a flap in the unit
above the air filter that senses air flow. You should make sure it
moves freely. Also look for cracks or loose fittings in the tube that
goes from the air filter box to the throttle body. If those are ok,
then you probably could clean the throttle body. If you take the tube
off the tb and look into the tb with the throttle held open, you can
see if it is all black inside. If yes, clean it with the cleaner you
bought. Use an old toothbrush and rags. Be careful to not spray too
much(any) into the throttle position sensor which is the black thing
usually on the right side of the tb shaft. You should also clean the
tubes that have vacuum hoses on from the tb. Good luck and please
keep us posted on results. Ed


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  #5  
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Drewsah
 
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Default Re: 1986 Toyota 4-runner MAF cleaining help - 03-06-2007 , 08:33 PM




<ed_herman (AT) yahoo (DOT) com> wrote

Quote:
I'm not sure the 22RE has a MAF as such. It has a flap in the unit
above the air filter that senses air flow. You should make sure it
moves freely. Also look for cracks or loose fittings in the tube that
goes from the air filter box to the throttle body. If those are ok,
then you probably could clean the throttle body. If you take the tube
off the tb and look into the tb with the throttle held open, you can
see if it is all black inside. If yes, clean it with the cleaner you
bought. Use an old toothbrush and rags. Be careful to not spray too
much(any) into the throttle position sensor which is the black thing
usually on the right side of the tb shaft. You should also clean the
tubes that have vacuum hoses on from the tb. Good luck and please
keep us posted on results. Ed

Yea, I actually have already cleaned out the throttle body about 2 weeks ago
as that was one of the first things I was told to do. It was pretty gunked
up with stuff and took a bit of time with a toothbrush some rags and some
throttle body cleaner. While it didn't end the main symptom that I get, but
I'm sure it helped as it was pretty caked with residue.
I will give the flap in the unit above the air box a check and see if it
looks ok. However, I just noticed something else that may be the key to my
horrible idling problem.

The thing that just clicked to me is that the horrible idling and bad
performance seems to happen after periods of HEAVY extended rains. I live
in Hawaii in a city where it rains ALOT. I have only been in this rainy
city for about a year and have noticed this relationship with the rain. Is
it possible for rain water to maybe enter my fuel system or cause any other
sort of problems. This just sort of dawned on me that my problem only
happens after periods of heavy extended rains. The symptoms are that once
started it idles fine for the first minute or two then once im driving it
seems ok but once I stop the idling is verrry low and loping and on the
verge of stalling it seems. Also, the acceleration gets worse and seems
like the more I press on the gas pedal it will really delay and struggle
then sort of kick in and accelerate. However if I just take it on the
highway and drive it for a while for a couple days of no rain, the problem
disappears and the truck drives and idles fine. Only to return after a rain
storm. any ideas??

Thanks




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  #6  
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Frederick Bell
 
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Default Re: 1986 Toyota 4-runner MAF cleaining help - 03-06-2007 , 09:37 PM



take a water bottle and spray a mist on the distributor cap and wires on a
day when it is not raining check for cracks in cap or arcing from wires
"Drewsah" <stoker_drew (AT) hotmail (DOT) com> wrote

Quote:
ed_herman (AT) yahoo (DOT) com> wrote in message
news:1173223076.922897.206590 (AT) n33g2000cwc (DOT) googlegroups.com...
I'm not sure the 22RE has a MAF as such. It has a flap in the unit
above the air filter that senses air flow. You should make sure it
moves freely. Also look for cracks or loose fittings in the tube that
goes from the air filter box to the throttle body. If those are ok,
then you probably could clean the throttle body. If you take the tube
off the tb and look into the tb with the throttle held open, you can
see if it is all black inside. If yes, clean it with the cleaner you
bought. Use an old toothbrush and rags. Be careful to not spray too
much(any) into the throttle position sensor which is the black thing
usually on the right side of the tb shaft. You should also clean the
tubes that have vacuum hoses on from the tb. Good luck and please
keep us posted on results. Ed


Yea, I actually have already cleaned out the throttle body about 2 weeks
ago as that was one of the first things I was told to do. It was pretty
gunked up with stuff and took a bit of time with a toothbrush some rags
and some throttle body cleaner. While it didn't end the main symptom that
I get, but I'm sure it helped as it was pretty caked with residue.
I will give the flap in the unit above the air box a check and see if
it looks ok. However, I just noticed something else that may be the key
to my horrible idling problem.

The thing that just clicked to me is that the horrible idling and bad
performance seems to happen after periods of HEAVY extended rains. I live
in Hawaii in a city where it rains ALOT. I have only been in this rainy
city for about a year and have noticed this relationship with the rain.
Is it possible for rain water to maybe enter my fuel system or cause any
other sort of problems. This just sort of dawned on me that my problem
only happens after periods of heavy extended rains. The symptoms are that
once started it idles fine for the first minute or two then once im
driving it seems ok but once I stop the idling is verrry low and loping
and on the verge of stalling it seems. Also, the acceleration gets worse
and seems like the more I press on the gas pedal it will really delay and
struggle then sort of kick in and accelerate. However if I just take it on
the highway and drive it for a while for a couple days of no rain, the
problem disappears and the truck drives and idles fine. Only to return
after a rain storm. any ideas??

Thanks




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  #7  
Old   
Joseph Myers
 
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Default Re: 1986 Toyota 4-runner MAF cleaining help - 03-07-2007 , 10:53 PM



On Sun, 4 Mar 2007 18:24:38 -1000, "Drewsah" <stoker_drew (AT) hotmail (DOT) com>
wrote:

Quote:
I was told that I need to clean my MAF to maybe help with some rough idling.
Can anyone help me with this. Where EXACTLY is the MAF and does anyone know
what I need to get to remove it for cleaning. I have an idea of where it
is, but I could use some input to be sure. Also, I have sensor cleaner
spray and everything already. thanks

Keep a can of WD-40 with you, when it starts to act up soak all the
plug wires and dist., it should clear up.


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