What's the best way to clean an AFM?

[Remix]

Whats the best method to clean an air flow metre sensor? I have heard using carby cleaner is a good thing..

[32gts4]

yeah or electrical contact cleaner ... it dries quickly and leaves no residue

[bossplaya]

what happens if you just wipe it?

[magic1]

wee on it.

[Scradly]

What type of afm is it.
Does it have a rectangle plug looking thing inside a round tube.
DONT spray anything on it, that will fuck it up.

[SimonR32]

id imagine its a r32 air flow meter, good nissan mechanic you are!

dodgy duncans has struck again

[1JZNOSHIT]

1JZs have no problems with AFMs, perhaps replace your motor with one of them?!

[Remix]

What type of afm is it.
Does it have a rectangle plug looking thing inside a round tube.
DONT spray anything on it, that will fuck it up.

Its the wire type inside a round tube (green sticker rb20det afm). Are you sure about this?

[Saf]

That is then not a AFM (Air Flow Meter) . A AFM has a flapper door , ie Toyota 3S-GTE Gt-Four , MR2 , Mk3 Supra , Porsche 944 etc . You have a MAF (Mass Airflow Sensor) a hotwire setup . The best way to clean it is with CO Contact cleaner , made by CRC for about $19 from Repco etc . Carby cleaner can harm some plastics , not what i would use . Contact cleaner will not , and this is designed for that application . MAF's loose thier accuracy when wet with oil , suck as a K&N filter etc etc .

[Saf]

']1JZs have no problems with AFMs, perhaps replace your motor with one of them?!

Probably because 1JZ's have no AFM , no MAF , only MAP based sensoring .

[32gts4]

The best way to clean it is with CO Contact cleaner , made by CRC for about $19 from Repco etc

exaccary :)

[Scradly]

Fuck off mayne you dickhead. Last thing i ever do for you.

Yeh Asked my forman at work today. He said you can clean it with contact cleaner but make sure the engine is turned off.

Yeh i agree with "SAF" the oil in the filters fucks em up . We had heaps of Problems with 3.0 Litre Pootrols with the same fault. The oil in the filter was fucken them up.

[Saf]

Yeh Asked my forman at work today. He said you can clean it with contact cleaner but make sure the engine is turned off.


Even better , remove from engine bay all together , and spray out over clean workbench so you can see visually that no more dirty contact cleaner solvents are coming out . Spray a little RP7 / WD40 / CRC onto the MAF plug terminals upon assembly , and your good to go again .

So what do the Patols run ? . A wet cotton type filter ? . Hmm , interesting , yes its allways been a issue with the K&N , UNI etc wet filters , but i guess its a small price to pay . I had to clean mine in the Echo last week , had a 2200-2500rpm slight flatspot , cleaned the temp prong , the hotwires , re-installed and its as good as new again , no more flatspot .

[Remix]

Thanks everyone, excellent response. I'll go grab some Contact cleaner after work. I have removed the 'maf' from the engine bay so it should be pretty easy :)

** update, went and bought some, not cheap at $19,99 a can hahaha but all good:) **

[Scradly]

yeh they did have a wet element but not any more nissan changed it to a dry one.
Yeh also they get hell clogged up cos the intake to the airbox comes from inside the guard and picks up all the shit. Nice one NISSAN

[Saf]

Hmm , Nissan arent known for well laid out air intake setups . Even my mate Nissan Terrano TD , after a 4wding arvo at alkamos , i had maybe half a teaspoon of sand in my airbox , he had allways about 1/4 cup :/

[1JZNOSHIT]

Probably because 1JZ's have no AFM , no MAF , only MAP based sensoring .

Yes quite aware of that, I have a 1JZ :-)

[gt4]

maybe u should fuck off the MAF and get a motec.
all your problems solvered

[Remix]

Sure man - great idea. Do you want to pay for it?

[Saf]

maybe u should fuck off the MAF and get a motec.
all your problems solvered

Shit ..... now why didnt i think of that ???? .

Apples to elephants man .....