Volks AutosBadger5
Results 1 to 11 of 11
  1. #1
    S4 Muzza's Avatar
    oww! my giant blue head!

    Status
    Offline
    Join Date
    May 2011
    Location
    Ayrshire
    Posts
    306

    S3 choking/hesitating

    My S3 has developed a stuttering when accelerating and its recently got worse. It only seems to affect 3rd-6th gear, not first or second. It almost feels like the car is choking or something. Each 'choke' only lasts a split second but it will often 'choke' about half a dozen times in a row, depending on how hard i'm accelerating. Seems to happen between 3 & 40000rpm, but if i accelerate slowly i can get up to speed without it happening at all. The car idles normally but i feel its running a bit rough in general.

    I cant have the car scanned until next week, so dont have any codes as of yet. Anyone have any ideas? My initial thoughts were MAF or coilpacks??

    Thanks
    Audi S4 (B5) - JUST ARRIVED :D
    Audi S3 (8L) - GONE
    Audi A3 SE (8L) - GONE

  2. # ADS
    ADS
    Join Date
    Always
    Location
    Global
    Posts
    Many
     
  3. #2
    S4 Muzza's Avatar
    oww! my giant blue head!

    Status
    Offline
    Join Date
    May 2011
    Location
    Ayrshire
    Posts
    306
    just had it out for a spirited run with the maf disconnected and its running much smoother, but still not perfect and the choking persists. ideas?
    Audi S4 (B5) - JUST ARRIVED :D
    Audi S3 (8L) - GONE
    Audi A3 SE (8L) - GONE

  4. #3
    Vex182's Avatar
    Guess what I drive...

    Status
    Offline
    Join Date
    Apr 2012
    Location
    Hinckley
    Posts
    879

    My Social Networking

    Add Vex182 on Facebook
    Replace the MAF with a friend if possible. Could be MAF or a slight misfire, have you checked the plugs?
    Silver 2002 Audi S3 225 (BAM) since March 2011.

    Mods: Badger5 2.2 TIP, Jetex filter, PCV delete, 710 DV, Standard N249 in use, R-Tech Stage 1 TiV Remap, Audi TT Pedals, Red Dogbone, Polybushed tie arms. All silicone boost pipes, Michelin PS3s, Red V6 coil packs, MK4 flat blade conversion, retrofited cruise control.
    Currently: 254bhp - 276lb/ft (174bhp/ton) as of 11/02/2013 On V-Power

  5. #4
    5th Gear

    Status
    Offline
    Join Date
    Jun 2011
    Location
    Great Melton Norfolk
    Posts
    1,349
    Sounds like coilpacks to me.

  6. #5
    S4 Muzza's Avatar
    oww! my giant blue head!

    Status
    Offline
    Join Date
    May 2011
    Location
    Ayrshire
    Posts
    306
    cheers for the reply, will check the plugs tomorrow and probably get a new set ordered just to eliminate that as the cause of the problem. fingers crossed that'll sort it, i can handle £30 lol
    Audi S4 (B5) - JUST ARRIVED :D
    Audi S3 (8L) - GONE
    Audi A3 SE (8L) - GONE

  7. #6
    Westy's Avatar
    Double Dark Side! Diesel & 8P

    Status
    Offline
    Join Date
    Dec 2008
    Location
    Cambridgeshire sometimes Hertfordshire
    Posts
    17,273

    S3 choking/hesitating

    I'd guess at coil packs or the coil pack wiring. A lot more people are reporting the coil pack wiring at the moment as these cars are hitting an age where the wiring is becoming an issue.
    8P A3 TDI - 220bhp - 335lbft
    A3 Maintenance Thread
    Bye bye S3 you will be missed.
    S3 Build Thread







  8. #7
    S4 Muzza's Avatar
    oww! my giant blue head!

    Status
    Offline
    Join Date
    May 2011
    Location
    Ayrshire
    Posts
    306
    can anyone confirm that PFR6Q is the correct part no. for the NGK plugs? Not sure if i need something differnet with the APY having bolt downs??? thanks again
    Audi S4 (B5) - JUST ARRIVED :D
    Audi S3 (8L) - GONE
    Audi A3 SE (8L) - GONE

  9. #8
    S4 Muzza's Avatar
    oww! my giant blue head!

    Status
    Offline
    Join Date
    May 2011
    Location
    Ayrshire
    Posts
    306
    ok i've found the plugs i need NGK SPARK PLUGS / NGK PLATINUM SPARKPLUGS - PFR6Q - 6458 6.71 NGK Spark Plugs & Denso Sparkplugs NGK SPARK PLUGS - PFR

    can anyone confirm these are the correct ones?
    Audi S4 (B5) - JUST ARRIVED :D
    Audi S3 (8L) - GONE
    Audi A3 SE (8L) - GONE

  10. #9
    MURRAYS444's Avatar
    4th Gear

    Status
    Offline
    Join Date
    Aug 2009
    Location
    Edinburgh
    Posts
    789
    I have those ones they should be fine, hopefully this should cure your car

  11. #10
    S4 Muzza's Avatar
    oww! my giant blue head!

    Status
    Offline
    Join Date
    May 2011
    Location
    Ayrshire
    Posts
    306
    Quick follow up.

    After trying to remove the plugs a few days ago with no joy, i tried again tonight with a cool engine and some more leverage. Had them out no problem. And the icing on the cake is that (for now anyway) its cured my hesitation at 3000rpm and the car in general is runing much sweeter. Cheers everyone for the input.

    For reference the NGK spark plugs used were PFR6Q 6458
    Audi S4 (B5) - JUST ARRIVED :D
    Audi S3 (8L) - GONE
    Audi A3 SE (8L) - GONE

  12. #11
    MURRAYS444's Avatar
    4th Gear

    Status
    Offline
    Join Date
    Aug 2009
    Location
    Edinburgh
    Posts
    789
    That's good to here a cheap fix was the problem with your car the plugs on my girlfriends car were a nightmare to remove thought they were welded on

 

 

Similar Threads

  1. Tdi 130 hesitation problem
    By Burtney in forum A4/A4 cabriolet/S4 forum(B6 chassis)
    Replies: 32
    Last Post: 11th March 2008, 02:03
  2. Hesitation through revs
    By imported_Robbyc in forum A3/S3 Forum (8L Chassis)
    Replies: 32
    Last Post: 4th July 2006, 17:16
  3. 1.8t engine hesitation
    By CraigM in forum A3/S3 Forum (8L Chassis)
    Replies: 19
    Last Post: 22nd May 2004, 14:17
  4. Hesitating S8
    By rterry in forum A8/S8 forum
    Replies: 18
    Last Post: 19th November 2003, 13:40
  5. S3 Hesitation (& DV)
    By AL_B in forum A3/S3 Forum (8L Chassis)
    Replies: 3
    Last Post: 31st January 2003, 21:45

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Single Sign On provided by vBSSO

Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

Content Relevant URLs by vBSEO