my99 uk turbo MAF sensor
 

I'm sorry to be asking questions here that pop up so regularly, but because of how often the MAF is mentioned, trying to get what i need out of the search facility is near impossible! so, here goes.

My paranoia is starting to mount up regarding the MAF sensor as i have 80k miles on the clock and i doubt that it has ever been changed. so -

1. is there a way that i can check if it is working correctly?
2. what is the part number for the sensor and how much should it roughly cost?
3. what is the procedure for changing the sensor?

Thanks in advance

James

Part number for maf off a my99/00 is 22794AA010. About £75 IIRC

Yoy will need a security Torx (star bit) to removed the MAF, or do what I did and use a normal torx bit, but snap the middle/security nipple off the torx bolt with a small screwdriver.

U can do an ECU reset but it's not really required.

Cheers scott,

Ive not seen the security torx bits before, but my old peugeot cas covered in the normal torx bits - damn french!

How do i perform an ECU reset?

Security torx basically have a little hole in the middle to accomodate a pin, T20 is needed for the MAF.

ECU reset http://www.saxonfields.freeserve.co....iag%20Page.htm

cheers guys

Bollox to finding out if it's working correctly or not. If it has survived 80k then say thankyou very much and retire it in favour of a new one.
Safe not sorry is the name of the game :)

Exactly what i did Brun, mine got to 85k so i thought sod messing about and nipped to RN Golden for a new one. Fitted it after finding out about the Torx security bit !!!!

By the way Wickes the DIY place are doing a set of screw driver bits (about 30 odd) for £5 .... it has a complete set of Torx bits (both kinds) :thumb: its in a orange box with a clear lid.

http://www.stefanostadal.homedns.org...lacing_the_maf

Put this together when I changed mine a few months back.

Hey ozzy

On the link mate it says that you can reset the ecu by disconnecting the battery.
Think i might try this but i just wondered how it would affect the alarm(subaru one with keypad).
Will it just operate as normal when i reconnect the battery as i'm not sure if the code i have for it is the correct one.

Cheers mate
Gaz

thanks dudes,

these security torx things, will regular torx do the job as screwfix has no idea what a security torx is!

James

No the security one has a little "nipple" in the middle, do the wickes DIY thing (if you have one near you !!)

They look like this
http://www.wihatools.com/701serie.htm

Gaz,

Just disarm the alarm via the keyfob or keypad as usual. Then just disconnect the battery. The siren will beep as it loses power and when you reattach the battery connector, but it won't go off if it's been disarmed.

Stefan

you could mince the little "security" pin out with a srewdriver then use a normal t20 torx

MAF from Subaru Jennings - £69.95 + VAT and should be in by wednesday


I knew they would have some use!

so the plan with the security torx then is to just get rid of the security bit :)

Pm your address and I will loan you the proper bit, better than butchering the screws. Just send it me back when you are done ok.

Tim.

Tim, YHPM mate

:)

Sorted :thumb: