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Thread: MAF

  1. #1
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    MAF

    Is there a recommended time to change your MAF? Somebody told me they are usually changed at around 40,000miles. I looked at mine the other day and noticed it was still the orginal from 1998 and my car has done 93,000 miles now. Would this be whats making my cars power so intermittent and the fuel consumption crap?

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  3. #2
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    hi, MAF's do tend to effect fuel consumption but to be honest, i just clean the MAF on all my cars with electrical contact cleaner from maplins and it does tend to make the car smoother and respond a bit better, best way to see if maf is totally gone is diagnostic, it is a pricey part to replace for no reason so see if cleaning it does the trick.

    hope this helps
    2001 AMK S3, Black, Lowered, 18" RS4 Diamond cut and Black Polished Alloys

  4. #3
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    Is there a PDF file of some sort on how to access the MAF?
    Audi A3 (8P) 2.0TDI SE .:. Ebony Black, Sports Suspension, Vienna Beige Sports Leather Seats, Concert II & BOSE, 6 CD-Changer, Xenons, Acoustic Parking Sensors & All The Packs .:.



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  5. #4
    jay1601's Avatar
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    undo the wiring harness

    take from air box.

    thats about it

  6. #5
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    oh, open the bonnet first!

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    Yeah I did mine outside Audis so I could leave the old one as an exchange. Took me 2 min to remove and install the new one. Could not be easier
    S3 225 BAM
    Stage 1 TuningChip, AEM Dryflow cone filter, 19" OZ Superturismos

  8. #7
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    Nice one fellas. I'll have a stab at it tomorrow.
    Audi A3 (8P) 2.0TDI SE .:. Ebony Black, Sports Suspension, Vienna Beige Sports Leather Seats, Concert II & BOSE, 6 CD-Changer, Xenons, Acoustic Parking Sensors & All The Packs .:.



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  9. #8
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    I know it has been said 1000 times before, someone who can log your MAF with VCDS will be able to tell if your MAF is working. Throwing money at something just for the hell of it is quite daft.
    Faulty temperature sensors etc will not give any obvious error but still cause poor MPG

  10. #9
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    I am replacing mine tomorrow, I have scanned it about 4 times in a month all with the same error even after cleaning. So off to euro car parts to get a replacement for 67 I guess it's not too bad. Hopefully improve my stage 2 a bit. As it feels hesitant from time to time
    S3-8L REVO stage 2, Milltek, 3" DP & custom 3" decat, RS2 spark plugs, 4 bar FPR, Green-Cotton uprated upper/lower boost hose & TIP, Front Zimmerman & Ferrodo. LCR spliter. boost gauge, smoothed AB. Aero blades, H&R 5mm spacers. Best time 14.03sec, 0-62 in 5.7sec. 207gs @ 25psi , polished inlet mani. VAGCOM 805.1

  11. #10
    Welly's Avatar
    Testing dodgy Chinese gear...

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    Quote Originally Posted by Matt82 View Post
    oh, open the bonnet first!
    The Haynes manual will get you to disconnect the battery too....

    Also true of checking your tire pressures...
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  12. #11
    S3KO4's Avatar
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    I Jay replaced mine. And boy what a difference. The error code was mac signal too low. I have not scanned it since but it is much smoother and quicker.
    S3-8L REVO stage 2, Milltek, 3" DP & custom 3" decat, RS2 spark plugs, 4 bar FPR, Green-Cotton uprated upper/lower boost hose & TIP, Front Zimmerman & Ferrodo. LCR spliter. boost gauge, smoothed AB. Aero blades, H&R 5mm spacers. Best time 14.03sec, 0-62 in 5.7sec. 207gs @ 25psi , polished inlet mani. VAGCOM 805.1

 

 

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