1.8 & 1.8T

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

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  1. A.N. OTHER
    Sticky

    VAG Engine Part Dimensions

    A.N. Other, Nov 8, 2007
    Replies:
    1
    Views:
    7,911
    A.N. Other
    May 9, 2011
  2. rubjonny
    Sticky

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

    rubjonny, Apr 25, 2017 ... 2
    Replies:
    35
    Views:
    9,312
    rubjonny
    Jun 2, 2021
  3. 20V_JIMMY
    Sticky

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

    20v_jimmy, Dec 29, 2009 ... 36 37 38
    Replies:
    746
    Views:
    416,693
    rubjonny
    Feb 8, 2024
  4. MICKY1
    Sticky

    20v spec check - AEB fitting list

    micky1, May 17, 2009
    Replies:
    15
    Views:
    22,751
    micky1
    Jun 1, 2009
  5. Brian.G
    Sticky

    1.8T AUG Block Cutaway Pictures.

    Brian.G, Jun 18, 2009
    Replies:
    11
    Views:
    12,844
    Brian.G
    Jul 8, 2009
  6. MICHAEL GHIA
    Sticky

    1.8T 20V Engine codes FAQ

    Michael Ghia, Oct 31, 2004 ... 4 5 6
    Replies:
    107
    Views:
    244,608
    J66KE B
    Oct 15, 2016
  7. MIKEY-S

    Yet another Mk2 1.8t conversion..

    Mikey-S, Nov 16, 2009
    Replies:
    1
    Views:
    946
    ratlasgrey
    Nov 17, 2009
  8. Richard Mk2

    Yet again, another 1.8T problem!!

    Richard Mk2, Jan 18, 2014
    Replies:
    4
    Views:
    814
    Richard Mk2
    Jan 18, 2014
  9. RYANMAC

    Yellow Oil light flashing

    RyanMac, Jun 3, 2015
    Replies:
    2
    Views:
    534
    rubjonny
    Jun 4, 2015
  10. WHITE_GTI 8V

    Would you heat wrap k04 qpeng downpipe ?

    white_gti 8v, Jul 12, 2014
    Replies:
    5
    Views:
    1,771
    Jommanjo
    Jul 28, 2014
  11. TGP_MOTORSPORT

    Would anyone like to take on a 1.8t 20V Project?

    tgp_motorsport, Feb 20, 2013
    Replies:
    9
    Views:
    763
    tgp_motorsport
    Feb 22, 2013
  12. SOUTHWEST_16V

    worthwhile but simple AGU upgrades?

    southwest_16v, Dec 9, 2009
    Replies:
    4
    Views:
    1,116
    Collie
    Dec 13, 2009
  13. Andy16v

    Workshop Book?

    Andy16v, May 21, 2009
    Replies:
    2
    Views:
    678
    Switch7
    May 21, 2009
  14. RTTSVW

    wont spark

    rttsvw, Jan 10, 2011
    Replies:
    6
    Views:
    1,020
    tom1362
    Feb 24, 2011
  15. GLOVES88

    Won't Start! + Fault codes

    Gloves88, May 18, 2013 ... 2
    Replies:
    26
    Views:
    6,243
    Gloves88
    May 29, 2013
  16. VDUB_DAVE

    Wiring!!!????

    vdub_Dave, Oct 14, 2010
    Replies:
    6
    Views:
    1,355
    20v_jimmy
    Oct 16, 2010
  17. VINNIETHERADOBOI

    wiring problems

    vinnietheradoboi, Jun 12, 2010
    Replies:
    3
    Views:
    791
    vinnietheradoboi
    Jun 13, 2010
  18. PRICEYGTI

    Wiring Plugs with no home :(

    priceygti, Jun 24, 2012
    Replies:
    3
    Views:
    1,392
    priceygti
    Jun 29, 2012
  19. DEEBEE

    wiring loom diagram

    deebee, Nov 23, 2009
    Replies:
    6
    Views:
    2,105
    daveslp
    Dec 4, 2009
  20. mk1 valver

    Wiring in an external tachometer.

    mk1 valver, Oct 16, 2015
    Replies:
    3
    Views:
    720
    Jon Olds
    Oct 18, 2015
  21. KENTGTIKR

    Wiring diagrams Audi A3 8L 1.8T

    KentGTiKR, Oct 12, 2011
    Replies:
    3
    Views:
    8,023
    rubjonny
    Oct 12, 2011
  22. nut 20v

    Wiring a vr6 tb to a agu loom

    nut 20v, Mar 25, 2013
    Replies:
    7
    Views:
    1,057
    nut 20v
    Jul 15, 2013
  23. WHITE_GTI 8V

    Will this Oil cooler fit my mk2 20vt ?

    white_gti 8v, Dec 25, 2014
    Replies:
    5
    Views:
    624
    Toyotec
    Dec 26, 2014
  24. SHIGGINS92

    Will these injectors be ok for KO4 Conversion?

    shiggins92, Nov 19, 2014
    Replies:
    3
    Views:
    743
    shiggins92
    Dec 7, 2014
  25. JAMES_VR

    Will These Fit

    James_VR, Dec 1, 2008
    Replies:
    7
    Views:
    864
    Vento Mike
    Dec 3, 2008
  26. DEEBEE

    Will a k04 001 replace my blown ko3s?

    deebee, Nov 5, 2009
    Replies:
    16
    Views:
    17,860
    INA
    Dec 6, 2009
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