1998 Tacoma 3.4 MAF Sensor (1 Viewer)

[skeezix]

After reading through quite a bit of write-ups regarding MAF sensor maintenance I popped the hood of my truck and had a look. The MAF sensor was easy enough to find but I sure didn't see any mounting screws. It looks like the sensor is integral to the round housing that fits between the flex intake tube and the filter box. I did find a couple of bolts underneath - are these the mounting bolts? See photo.

Also, there is a 0.030 inch gap between the sensor housing and the rear of the filter box (as shown by the pencil). Is that a leak source or is there some kind of seal in that area to prevent leaks?

 

[raydouble]

Check out this thread here...
Cleaning MAF - Toyota 4Runner Forum

96-98 4runner 5VZ's have a different MAF sensor than the 99-02's.

Careful with it, new OEM ones are like 6 bills.

 

[brian2sun]

Those are the bolts that secure the MAF to the airbox. Remove those and you can separate them. The gap you're talking about is fine, mine is much bigger. I think my 1" body lift made it pull down on it so I put a large hose clamp around it to seal it better. Your gap looks fine to just leave like that it's so small.

 

[skeezix]

I appreciate you guys' replies. I was kinda thinking that those were mounting bolts.

Was going to start a bunch of routine maintenance work tomorrow, but whatever was in CA yesterday is supposed to blow through here tonight thru Friday. Brian - Hope you're not in Highland or anywhere else where the mountains are sliding into the homes.

 

[brian2sun]

I appreciate you guys' replies. I was kinda thinking that those were mounting bolts.

Was going to start a bunch of routine maintenance work tomorrow, but whatever was in CA yesterday is supposed to blow through here tonight thru Friday. Brian - Hope you're not in Highland or anywhere else where the mountains are sliding into the homes.

Actually, I'm only about 30 minutes away from Highland, but luckily I live on top of the mountain that's sliding into Highland (they're at the base). That really sucks for those people. I saw one family had 2 ft of mud in their kitchen and living room.

 

[pillguy]

I just cleaned mine out last week. If you use a flashlight you can see the maf wire barely. I sprayed mine about 5 times turning it over quickly to let it drain. Also follow the instructions for cleaning the throttle butterfly. Mine had some carbon build up easily removed with a toothbrush and a rag.
I am hoping my mileage gets better with this and the o2 replacement

Check out this thread here...
Cleaning MAF - Toyota 4Runner Forum

96-98 4runner 5VZ's have a different MAF sensor than the 99-02's.

Careful with it, new OEM ones are like 6 bills.