1.8 & 1.8T

Section for all things related to the 20-valve 4 cyl engine

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  1. 20V_JIMMY
    Sticky

    OEM management wiring: 1.8T => Mk2 harness install FAQ

    20v_jimmy, Dec 29, 2009 ... 36 37 38
    Replies:
    751
    Views:
    439,756
    rubjonny
    Jul 16, 2024
  2. MICHAEL GHIA
    Sticky

    1.8T 20V Engine codes FAQ

    Michael Ghia, Oct 31, 2004 ... 4 5 6
    Replies:
    107
    Views:
    254,309
    J66KE B
    Oct 15, 2016
  3. MICKY1
    Sticky

    20v spec check - AEB fitting list

    micky1, May 17, 2009
    Replies:
    15
    Views:
    23,330
    micky1
    Jun 1, 2009
  4. Brian.G
    Sticky

    1.8T AUG Block Cutaway Pictures.

    Brian.G, Jun 18, 2009
    Replies:
    11
    Views:
    13,264
    Brian.G
    Jul 8, 2009
  5. rubjonny
    Sticky

    SEAT Ibiza AQX/AYP 20v -> CE2 + general fusebox plug reference guide

    rubjonny, Apr 25, 2017 ... 2
    Replies:
    35
    Views:
    10,421
    rubjonny
    Jun 2, 2021
  6. A.N. OTHER
    Sticky

    VAG Engine Part Dimensions

    A.N. Other, Nov 8, 2007
    Replies:
    1
    Views:
    8,004
    A.N. Other
    May 9, 2011
  7. SAMBO

    Forged 06A 1.8T Engine Build Pictorial Guide, (Now Mapped for running in :) )

    sambo, Jun 21, 2012 ... 2 3 4
    Replies:
    74
    Views:
    51,192
    sambo
    Mar 24, 2013
  8. FOXYJAY

    Embarking on a BAM in a Mk2

    foxyjay, Sep 14, 2011 ... 9 10 11
    Replies:
    208
    Views:
    50,327
    dodgy
    Jul 29, 2020
  9. MK2 DABBSY

    ecu reset mk4

    mk2 dabbsy, Mar 4, 2009 ... 2
    Replies:
    20
    Views:
    40,864
    marty1979
    Mar 13, 2009
  10. Toyotec

    Decoding the 'BAM' Hype.

    Toyotec, Aug 27, 2017
    Replies:
    10
    Views:
    39,599
    Toyotec
    Mar 1, 2018
  11. Richard Mk2

    1.8T to 2.0T Coil Pack Conversion

    Richard Mk2, Jun 5, 2012 ... 2
    Replies:
    37
    Views:
    39,474
    c11rgd
    Sep 1, 2014
  12. Danallkins

    17705 - Pressure Drop between Turbo and Throttle Valve (check D.V.!)

    Danallkins, Sep 10, 2012 ... 2
    Replies:
    21
    Views:
    38,431
    Thabang
    Jun 20, 2016
  13. Richard Mk2

    Adjusting Actuator & N75 Valve & AUM/AUQ Sort your boost leak issues thread...

    Richard Mk2, Jul 3, 2010
    Replies:
    16
    Views:
    37,780
    Richard Mk2
    Jul 3, 2010
  14. BGERHOLD

    Golf Mk4 1.8T GTI - Cylinder 3 misfiring

    bgerhold, Nov 26, 2010 ... 2
    Replies:
    23
    Views:
    35,737
    Kierenpnaylor
    Feb 1, 2014
  15. DOUBLEA

    AGU vs AUM

    DoubleA, Feb 12, 2012
    Replies:
    14
    Views:
    35,050
    Dubbedup
    Jan 27, 2016
  16. VEE_DUB_MODDER

    mk3 Golf 1.8t engine conversion

    vee_dub_modder, Jan 25, 2010
    Replies:
    10
    Views:
    34,986
    vee_dub_modder
    Jan 26, 2010
  17. MARC87

    Misfiring, juddering, flashing engine management light....help!,

    Marc87, Feb 19, 2012 ... 2
    Replies:
    24
    Views:
    34,969
    Richard Mk2
    Feb 22, 2012
  18. ZX10RDAZZA

    MK3 Caddy van 20v conversion

    zx10rdazza, Dec 23, 2015 ... 2
    Replies:
    25
    Views:
    32,496
    AllanWorms
    Mar 13, 2020
  19. MK2 DABBSY

    what oil? - mk4 golf 1.8 20v

    mk2 dabbsy, Feb 19, 2009
    Replies:
    7
    Views:
    30,866
    Mook
    Feb 20, 2009
  20. DITCHYBOY

    20vt conversion

    Ditchyboy, Oct 2, 2009 ... 10 11 12
    Replies:
    228
    Views:
    30,256
    Admin
    Jul 13, 2011
  21. Richard Mk2

    1.8T Vacuum Lines, etc...?

    Richard Mk2, Mar 10, 2012 ... 2 3
    Replies:
    41
    Views:
    30,018
    Danallkins
    Jun 19, 2012
  22. Richard Mk2

    What Goes Where - 1.8T AGU

    Richard Mk2, Jan 27, 2012 ... 2 3 4
    Replies:
    64
    Views:
    28,085
    DanGleballs
    Aug 14, 2013
  23. rubjonny

    Definitive list of what you can and cannot remove/bypass/resistor on OEM 1.8T

    rubjonny, Jul 15, 2011 ... 2
    Replies:
    31
    Views:
    27,155
    drewbar
    Nov 26, 2011
  24. VolksVillain

    Mk1 Caddy 1.8T Conversion.

    VolksVillain, Jun 16, 2010 ... 2
    Replies:
    30
    Views:
    24,813
    VolksVillain
    Jul 27, 2010
  25. COUPECHAMP

    now you see it....

    coupechamp, Aug 17, 2010 ... 5 6 7
    Replies:
    121
    Views:
    19,761
    coupechamp
    Mar 5, 2011
  26. Richard Mk2

    Elring Head Gasket Sets - Any Good ?

    Richard Mk2, Dec 25, 2013
    Replies:
    14
    Views:
    18,112
    Richard Mk2
    Dec 29, 2013
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