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Section for all things related to the 20-valve 4 cyl engine
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20V_JIMMY
Sticky
OEM management wiring: 1.8T => Mk2 harness install FAQ
20v_jimmy
,
Dec 29, 2009
...
36
37
38
Replies:
756
Views:
458,414
rubjonny
Jun 27, 2025
MICHAEL GHIA
Sticky
1.8T 20V Engine codes FAQ
Michael Ghia
,
Oct 31, 2004
...
4
5
6
Replies:
107
Views:
261,521
J66KE B
Oct 15, 2016
MICKY1
Sticky
20v spec check - AEB fitting list
micky1
,
May 17, 2009
Replies:
15
Views:
23,840
micky1
Jun 1, 2009
Sticky
1.8T AUG Block Cutaway Pictures.
Brian.G
,
Jun 18, 2009
Replies:
11
Views:
13,542
Brian.G
Jul 8, 2009
Sticky
SEAT Ibiza AQX/AYP 20v -> CE2 + general fusebox plug reference guide
rubjonny
,
Apr 25, 2017
...
2
Replies:
37
Views:
12,170
rubjonny
May 28, 2025
A.N. OTHER
Sticky
VAG Engine Part Dimensions
A.N. Other
,
Nov 8, 2007
Replies:
1
Views:
8,084
A.N. Other
May 9, 2011
SAMBO
Forged 06A 1.8T Engine Build Pictorial Guide, (Now Mapped for running in :) )
sambo
,
Jun 21, 2012
...
2
3
4
Replies:
74
Views:
52,344
sambo
Mar 24, 2013
FOXYJAY
Embarking on a BAM in a Mk2
foxyjay
,
Sep 14, 2011
...
9
10
11
Replies:
208
Views:
52,089
dodgy
Jul 29, 2020
Decoding the 'BAM' Hype.
Toyotec
,
Aug 27, 2017
Replies:
10
Views:
43,446
Toyotec
Mar 1, 2018
MK2 DABBSY
ecu reset mk4
mk2 dabbsy
,
Mar 4, 2009
...
2
Replies:
20
Views:
41,346
marty1979
Mar 13, 2009
1.8T to 2.0T Coil Pack Conversion
Richard Mk2
,
Jun 5, 2012
...
2
Replies:
37
Views:
40,466
c11rgd
Sep 1, 2014
17705 - Pressure Drop between Turbo and Throttle Valve (check D.V.!)
Danallkins
,
Sep 10, 2012
...
2
Replies:
21
Views:
39,244
Thabang
Jun 20, 2016
Adjusting Actuator & N75 Valve & AUM/AUQ Sort your boost leak issues thread...
Richard Mk2
,
Jul 3, 2010
Replies:
16
Views:
38,268
Richard Mk2
Jul 3, 2010
VEE_DUB_MODDER
mk3 Golf 1.8t engine conversion
vee_dub_modder
,
Jan 25, 2010
Replies:
10
Views:
36,666
vee_dub_modder
Jan 26, 2010
BGERHOLD
Golf Mk4 1.8T GTI - Cylinder 3 misfiring
bgerhold
,
Nov 26, 2010
...
2
Replies:
23
Views:
36,296
Kierenpnaylor
Feb 1, 2014
DOUBLEA
AGU vs AUM
DoubleA
,
Feb 12, 2012
Replies:
14
Views:
36,228
Dubbedup
Jan 27, 2016
MARC87
Misfiring, juddering, flashing engine management light....help!,
Marc87
,
Feb 19, 2012
...
2
Replies:
24
Views:
35,229
Richard Mk2
Feb 22, 2012
ZX10RDAZZA
MK3 Caddy van 20v conversion
zx10rdazza
,
Dec 23, 2015
...
2
Replies:
25
Views:
33,721
AllanWorms
Mar 13, 2020
DITCHYBOY
20vt conversion
Ditchyboy
,
Oct 2, 2009
...
10
11
12
Replies:
228
Views:
31,513
Admin
Jul 13, 2011
What Goes Where - 1.8T AGU
Richard Mk2
,
Jan 27, 2012
...
2
3
4
Replies:
64
Views:
31,276
DanGleballs
Aug 14, 2013
MK2 DABBSY
what oil? - mk4 golf 1.8 20v
mk2 dabbsy
,
Feb 19, 2009
Replies:
7
Views:
31,058
Mook
Feb 20, 2009
1.8T Vacuum Lines, etc...?
Richard Mk2
,
Mar 10, 2012
...
2
3
Replies:
41
Views:
30,743
Danallkins
Jun 19, 2012
Definitive list of what you can and cannot remove/bypass/resistor on OEM 1.8T
rubjonny
,
Jul 15, 2011
...
2
Replies:
31
Views:
27,694
drewbar
Nov 26, 2011
Mk1 Caddy 1.8T Conversion.
VolksVillain
,
Jun 16, 2010
...
2
Replies:
30
Views:
25,208
VolksVillain
Jul 27, 2010
COUPECHAMP
now you see it....
coupechamp
,
Aug 17, 2010
...
5
6
7
Replies:
121
Views:
20,473
coupechamp
Mar 5, 2011
Elring Head Gasket Sets - Any Good ?
Richard Mk2
,
Dec 25, 2013
Replies:
14
Views:
18,671
Richard Mk2
Dec 29, 2013
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