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:
    746
    Views:
    413,327
    rubjonny
    Feb 8, 2024
  2. MICHAEL GHIA
    Sticky

    1.8T 20V Engine codes FAQ

    Michael Ghia, Oct 31, 2004 ... 4 5 6
    Replies:
    107
    Views:
    242,998
    J66KE B
    Oct 15, 2016
  3. MICKY1
    Sticky

    20v spec check - AEB fitting list

    micky1, May 17, 2009
    Replies:
    15
    Views:
    22,654
    micky1
    Jun 1, 2009
  4. Brian.G
    Sticky

    1.8T AUG Block Cutaway Pictures.

    Brian.G, Jun 18, 2009
    Replies:
    11
    Views:
    12,786
    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:
    9,203
    rubjonny
    Jun 2, 2021
  6. A.N. OTHER
    Sticky

    VAG Engine Part Dimensions

    A.N. Other, Nov 8, 2007
    Replies:
    1
    Views:
    7,896
    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:
    50,014
    sambo
    Mar 24, 2013
  8. FOXYJAY

    Embarking on a BAM in a Mk2

    foxyjay, Sep 14, 2011 ... 9 10 11
    Replies:
    208
    Views:
    48,054
    dodgy
    Jul 29, 2020
  9. MK2 DABBSY

    ecu reset mk4

    mk2 dabbsy, Mar 4, 2009 ... 2
    Replies:
    20
    Views:
    40,110
    marty1979
    Mar 13, 2009
  10. Richard Mk2

    1.8T to 2.0T Coil Pack Conversion

    Richard Mk2, Jun 5, 2012 ... 2
    Replies:
    37
    Views:
    38,153
    c11rgd
    Sep 1, 2014
  11. Richard Mk2

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

    Richard Mk2, Jul 3, 2010
    Replies:
    16
    Views:
    37,198
    Richard Mk2
    Jul 3, 2010
  12. Danallkins

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

    Danallkins, Sep 10, 2012 ... 2
    Replies:
    21
    Views:
    37,176
    Thabang
    Jun 20, 2016
  13. BGERHOLD

    Golf Mk4 1.8T GTI - Cylinder 3 misfiring

    bgerhold, Nov 26, 2010 ... 2
    Replies:
    23
    Views:
    34,765
    Kierenpnaylor
    Feb 1, 2014
  14. MARC87

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

    Marc87, Feb 19, 2012 ... 2
    Replies:
    24
    Views:
    34,544
    Richard Mk2
    Feb 22, 2012
  15. Toyotec

    Decoding the 'BAM' Hype.

    Toyotec, Aug 27, 2017
    Replies:
    10
    Views:
    34,216
    Toyotec
    Mar 1, 2018
  16. DOUBLEA

    AGU vs AUM

    DoubleA, Feb 12, 2012
    Replies:
    14
    Views:
    33,708
    Dubbedup
    Jan 27, 2016
  17. VEE_DUB_MODDER

    mk3 Golf 1.8t engine conversion

    vee_dub_modder, Jan 25, 2010
    Replies:
    10
    Views:
    32,729
    vee_dub_modder
    Jan 26, 2010
  18. ZX10RDAZZA

    MK3 Caddy van 20v conversion

    zx10rdazza, Dec 23, 2015 ... 2
    Replies:
    25
    Views:
    30,638
    AllanWorms
    Mar 13, 2020
  19. MK2 DABBSY

    what oil? - mk4 golf 1.8 20v

    mk2 dabbsy, Feb 19, 2009
    Replies:
    7
    Views:
    30,492
    Mook
    Feb 20, 2009
  20. Richard Mk2

    1.8T Vacuum Lines, etc...?

    Richard Mk2, Mar 10, 2012 ... 2 3
    Replies:
    41
    Views:
    28,860
    Danallkins
    Jun 19, 2012
  21. DITCHYBOY

    20vt conversion

    Ditchyboy, Oct 2, 2009 ... 10 11 12
    Replies:
    228
    Views:
    28,535
    Admin
    Jul 13, 2011
  22. rubjonny

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

    rubjonny, Jul 15, 2011 ... 2
    Replies:
    31
    Views:
    26,316
    drewbar
    Nov 26, 2011
  23. Richard Mk2

    What Goes Where - 1.8T AGU

    Richard Mk2, Jan 27, 2012 ... 2 3 4
    Replies:
    64
    Views:
    25,013
    DanGleballs
    Aug 14, 2013
  24. VolksVillain

    Mk1 Caddy 1.8T Conversion.

    VolksVillain, Jun 16, 2010 ... 2
    Replies:
    30
    Views:
    24,080
    VolksVillain
    Jul 27, 2010
  25. COUPECHAMP

    now you see it....

    coupechamp, Aug 17, 2010 ... 5 6 7
    Replies:
    121
    Views:
    18,718
    coupechamp
    Mar 5, 2011
  26. DEEBEE

    Will a k04 001 replace my blown ko3s?

    deebee, Nov 5, 2009
    Replies:
    16
    Views:
    17,819
    INA
    Dec 6, 2009
Showing threads 1 to 20 of 2,763

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