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-   -   MAF Help (https://www.scoobynet.com/general-technical-10/351000-maf-help.html)

cinders 06 August 2004 11:27 AM

MAF Help
 
Does anyone have the part number for the replacment MAF for a MY97 UK Turbo Engine?

I bought one last week but it was for an MY98 and have since returned it, but when I enquired about one for the MY97 they quoted over £200. I tried to explain it's just the sensor I wanted and not the whole assembly but the dealer reckons you have to buy the whole thing?!?...

Cinders.

Gidney&Knowlesy 06 August 2004 12:42 PM

Only on a 99/00 can you buy just the sensor.......you'll have to get the complete unit for your MY

skydiver 06 August 2004 02:57 PM

part number 22680AA280
I just replace it in my car. 300 Euros in Greece.

benscoob99 06 August 2004 05:13 PM

what exactly is a MAF, I have a misfire problem on mine, changed plugs and leads, thinkin maybe coil pack? also others have mentioned the MAF but what is it?

mjlarge 06 August 2004 06:05 PM


Originally Posted by benscoob99
what exactly is a MAF, I have a misfire problem on mine, changed plugs and leads, thinkin maybe coil pack? also others have mentioned the MAF but what is it?


MAF= mass air flow. its a very sensitive sensor that seems to be a big problem judging by what i,ve read on this site

what sort of missfire...... sorted mine today (my00) it was hesitating between 3500rpm and 4500rpm, loss of power ,missing etc. brought a new maf sensor £77.00, fitted in 2 mins, runs sweet as now. check your ecu for error codes. very easy procedure explained many times on this site. takes all of 2 minutes...

benscoob99 06 August 2004 06:25 PM

is it the one in the air feed pipe just after the air box? it misses under hard accelaration, and when accelerating from a fairly low speed in comparison to gear? How do you check ecu then? plugging in to diagnostics?

mjlarge 07 August 2004 06:45 PM


Originally Posted by benscoob99
is it the one in the air feed pipe just after the air box? it misses under hard accelaration, and when accelerating from a fairly low speed in comparison to gear? How do you check ecu then? plugging in to diagnostics?


to check ecu for error codes ... under das there are for connectors 2 green 2 black. plug the 2 black ones together and turn ignition to on position(don,t start engine) the check engine light will start flashing. long flash =10 short flash = 1.... maf fault is 23 so 2 long flashes 3 short ones hopefully thats your only problem good luck

mjlarge 07 August 2004 06:46 PM


Originally Posted by benscoob99
is it the one in the air feed pipe just after the air box? it misses under hard accelaration, and when accelerating from a fairly low speed in comparison to gear? How do you check ecu then? plugging in to diagnostics?


o and yes, the maf is in the pipe just past airbox.

GREEN SCOOBY 08 August 2004 12:01 PM

just had to but a maf myself although a good tested one from grade a. Been having a few probs with my idle (see my threads on here).Was quoted 231 quid + vat from dealers but second hand one was 80+vat,glad i did not pay for a new one as this has made no difference so I am only 100 quid down and not 300.

benscoob99 08 August 2004 02:43 PM

done the check, check engine light just flashed constant, presumably this indicates no fault?

skydiver 08 August 2004 06:06 PM

My car had missfires symptoms and stalling in high rpm and i tested with the select monitor in my local Subaru dealer. There was not any error godes.
Some times the MAF is working but it doesnt ''read'' the correct air amount, and after that the ECU react wrong.When i replace the MAF all the symptoms has gone.

The_Judge 09 August 2004 01:11 PM

Only totally failed MAFs will cause a CEL. But it's the failing MAFs that cause the problems... see here for more info... :)

00WReX 13 August 2004 03:58 AM


Originally Posted by The_Judge
Only totally failed MAFs will cause a CEL. But it's the failing MAFs that cause the problems... see here for more info... :)

Hi,
I have just stumbled across this thread and also looked at the one mentioned,
http://bbs.scoobynet.co.uk/showthrea...7&page=1&pp=20

I started a similar thread on the Australian WRX Club Forum recently,
http://www.wrx.com.au/forum/viewtopic.php?t=9060

Would be interested if anyone can provide any info/findings, MAF signal voltage testing etc that you may have done.

Cheers,
Shane

Adrum 14 August 2004 06:57 PM

Ive just had my MAF sensor fail on my 96MY, yes its £235 from Subaru this is the only place to get it, ive tried all over the net but to no avail, best advice is to find one from a breakers yard, trouble is no guarentees it will work, as they are v sensitive.

Mine failed after i took a HKS ram air filter off,if you look at this link - http://www.ecutek.com/tuning/induction/
it explains the dangers of fitting a ram air system incorrectly, as was the case with mine, the previous owner had fitted it, as well as a dump valve, which can also cause problems such as the con-rods to snap (according to subaru engineer) this link also details these dangers -http://www.iwoc.co.uk/modsairflow.html
Its a good idea to research the pros and cons when fitting upgrades to scoobies, as weve probaley both found out to the tune of £250!

Good luck mate.


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