Engines

Engines, fueling and tuning

  1. 8-valve

    Section for all 8-valve engines
    Discussions:
    3,975
    Messages:
    37,334
    Latest: white oil pressure switch part number references 1.6 bar Jwoodhe1, Jul 18, 2025 at 5:39 PM

  2. 16-valve

    Section for all things related to 16-valve engines
    Discussions:
    4,936
    Messages:
    61,711
    Latest: 16V ABF engine - very high emissions! Peffa, Jul 10, 2025

  3. 1.8 & 1.8T

    Section for all things related to the 20-valve 4 cyl engine
    Discussions:
    2,784
    Messages:
    26,384
    Latest: Open Circuits eddiedebo, Jul 16, 2025 at 8:09 AM

  4. VR5, VR6 & Wx

    Section for all things related to the VR6 & V6 engines
    Discussions:
    1,248
    Messages:
    10,867
    Latest: Mk2 12v VR6 Intake Piping JVNotts, Jul 15, 2025 at 3:09 PM

  5. FSI (inc. GTI 2.0T)

    Section for all things related to the new breed engines (EA888, EA113, FSI, TSI, TFSI - call them what you will)
    Discussions:
    149
    Messages:
    1,285
    Latest: FSI/TFSI into a mk2, best mounting solution? Toyotec, Jun 20, 2025

  6. Diesel

    Section for all things related to diesel engines
    Discussions:
    791
    Messages:
    6,816
    Latest: 1Z 1.9 tdi pump timing issue danster, Jun 29, 2025
Page 1 of 1120
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Title ↓ Start Date
Replies Views
Last Message
  1. CRISPY 8V
    Locked Sticky

    VAG COM Users in FAQ

    Crispy 8V, Jun 27, 2006
    Replies:
    0
    Views:
    11,634
    Crispy 8V
    Jun 27, 2006
  2. A.N. OTHER
    Sticky

    The GTI Engine and its humble origins

    A.N. Other, Sep 28, 2010
    Replies:
    13
    Views:
    13,202
    A.N. Other
    Sep 30, 2010
  3. A.N. OTHER
    Sticky

    Technical Engine Performance Discussions Index

    A.N. Other, Nov 27, 2013
    Replies:
    0
    Views:
    3,347
    A.N. Other
    Nov 27, 2013
  4. rubjonny
    Sticky

    OEM MK4 management wiring => Mk1/2/3 harness install FAQ (Now with added dieselness!)

    rubjonny, Nov 8, 2013 ... 48 49 50
    Replies:
    981
    Views:
    496,267
    rubjonny
    Jun 17, 2025
  5. VW_SINGH
    Sticky

    Mk1 Golf - Fuel starvation on right hand bends.Analysis and conclusion

    vw_singh, Jun 30, 2009
    Replies:
    15
    Views:
    17,694
    vw_singh
    Jul 3, 2009
  6. davkav
    Sticky

    Idle Stabilisation Valve (ISV) teardown

    davkav, Apr 17, 2018
    Replies:
    10
    Views:
    1,572
    xav
    Oct 9, 2022
  7. Toyotec
    Sticky

    Fuel pumps and flow capablity

    Toyotec, Apr 14, 2011
    Replies:
    9
    Views:
    8,045
    Dave
    Jul 3, 2024
  8. A.N. OTHER
    Sticky

    4 cylinder bore & stroke combinations + max bore & stroke list

    A.N. Other, Jan 20, 2011 ... 2 3
    Replies:
    43
    Views:
    51,558
    HPR
    Jun 11, 2020
  9. SINISTERDEXTER

    ’Valver Noob Questions...

    sinisterdexter, Nov 28, 2005
    Replies:
    8
    Views:
    868
    miggs2002
    Dec 12, 2005
  10. PHILC

    ’orrible rattling

    PhilC, Sep 13, 2005
    Replies:
    4
    Views:
    766
    mark25
    Sep 17, 2005
  11. Trev16v

    ’KS2’ carburettor?

    Trev16v, Jul 11, 2004
    Replies:
    3
    Views:
    3,854
    Oplaii
    Jul 11, 2004
  12. REDBARON

    ’Jerkiness’

    redbaron, May 17, 2004
    Replies:
    14
    Views:
    909
    redbaron
    May 19, 2004
  13. velly_16v_cab

    ’I’ did my headgasket on the wknd (pics)

    velly_16v_cab, May 3, 2005 ... 2
    Replies:
    25
    Views:
    1,817
    Funkyfin2000
    May 5, 2005
  14. ICE'DMK2

    ’C’ clamp on exhaust

    ice'dmk2, Feb 4, 2004
    Replies:
    2
    Views:
    950
    Drew21
    Feb 5, 2004
  15. QUICKSILVER

    ’box swap

    Quicksilver, Mar 27, 2004
    Replies:
    3
    Views:
    818
    jake
    Mar 27, 2004
  16. JSEM

    ’box made to fit Mk2

    Jsem, May 12, 2004
    Replies:
    1
    Views:
    1,691
    prof
    May 12, 2004
  17. ATLAS 12V

    ’99 Polo 1.4 8v Cam Belt Change

    Atlas 12v, Jul 26, 2005
    Replies:
    2
    Views:
    832
    Atlas 12v
    Jul 27, 2005
  18. LIVEFASTDIE

    ’99 jetta 2.0 8v swap mk2 gti

    livefastdie, May 28, 2004
    Replies:
    0
    Views:
    804
    livefastdie
    May 28, 2004
  19. NUTTINNEW

    ’98 Passat 20vt

    nuttinnew, Dec 10, 2003
    Replies:
    8
    Views:
    967
    prof
    Dec 11, 2003
  20. SEIZURE

    ’96 Mk3 Golf TDi fuel pump

    Seizure, Sep 26, 2005
    Replies:
    1
    Views:
    892
    Seizure
    Sep 26, 2005
  21. JSH712P

    ’93 Mk3 8v GTI Geabox failure!!!

    jsh712p, Feb 9, 2006
    Replies:
    1
    Views:
    835
    Hotgolf
    Feb 9, 2006
  22. JAMESD

    ’92 Mk2 16V Golf Gti sensor

    jamesd, Jul 26, 2005
    Replies:
    2
    Views:
    923
    jamesd
    Jul 27, 2005
  23. SILVER 83

    ’92 cabrio sportline power

    silver 83, Mar 13, 2006
    Replies:
    7
    Views:
    890
    silver 83
    Mar 14, 2006
  24. VW_SINGH

    ’91 Passat ISV control....

    vw_singh, Oct 5, 2005
    Replies:
    1
    Views:
    760
    TheSecondComing
    Oct 6, 2005
  25. LUKEYBOY

    ’91 Digifant idle question

    LukeyBoy, Dec 2, 2004
    Replies:
    5
    Views:
    976
    chrismc
    Dec 2, 2004
  26. JAMESD

    ’91 16V Mk2 Distributor Seal

    jamesd, Dec 31, 2003 ... 2
    Replies:
    33
    Views:
    9,077
    TheSecondComing
    Jul 4, 2004
  27. STU

    ’91 16v - Cold start problems

    Stu, Aug 18, 2004
    Replies:
    10
    Views:
    1,067
    Stu
    Aug 19, 2004
  28. ALEXTGREEN

    ’90 16v GTI, idle and mixture problems

    alextgreen, Jan 14, 2005
    Replies:
    0
    Views:
    806
    alextgreen
    Jan 14, 2005
Showing threads 1 to 20 of 22,383

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