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Jaguar Forums - Jaguar Enthusiasts Forum
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p0121
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Threads Tagged with
p0121
Thread / Thread Starter
Last Post
Replies
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Forum
XJ8 engine Stalls
bud1man
on Feb 2, 2012
Dec 9, 2019
01:10 PM
by
Benj628
8
10,269
XJ XJ8 / XJR ( X308 )
P0121 - Limp home mode
newenglandxj8
on Oct 28, 2012
Aug 3, 2019
11:58 AM
by
Brutal
13
18,342
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
Sticky RPM's After Rebuilt Throttle Body
(
1
2
)
Jagdude
on Aug 2, 2014
Oct 24, 2017
05:42 PM
by
maxipes
28
6,505
XJ XJ8 / XJR ( X308 )
XK8 Throttle Body replaced, Sensor Replaced Failsafe continues
(
1
2
)
kmeseck
on Aug 30, 2016
Sep 13, 2017
09:25 AM
by
kmeseck
25
23,080
XK8 / XKR ( X100 )
P0121 and Throttle Body Cleaning - A 2017 Viewpoint
FloridaPilot
on Jun 2, 2017
Jun 4, 2017
06:23 PM
by
FloridaPilot
6
3,056
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
P0121 Throttle Cure First Step
(
1
2
)
nonfinito
on Sep 19, 2015
Nov 20, 2015
09:57 AM
by
sparkenzap
22
26,462
XJ XJ8 / XJR ( X308 )
P0121 TPS issues RESOLVED
(
1
2
3
)
K.Westra
on Jun 3, 2013
Aug 21, 2015
07:49 AM
by
Glenn Barickman
56
27,566
XK8 / XKR ( X100 )
Engine System Fault / Transmission Failure
(
1
2
3
)
jasongrady
on Jan 27, 2010
Mar 1, 2015
09:10 PM
by
ethioleul
41
54,293
X-Type ( X400 )
Car started idling fast and P0121 came up..... Help
Spikepaga
on Jan 6, 2015
Jan 7, 2015
02:26 PM
by
aCapiz
5
2,752
X-Type ( X400 )
Solutions for P0121 Code/TPS Issues?
larryjk
on Oct 5, 2014
Nov 11, 2014
04:14 PM
by
larryjk
7
5,947
XJ XJ8 / XJR ( X308 )
2004 XJR p0171 & p0174
Lagonia
on Feb 23, 2014
Oct 12, 2014
03:06 PM
by
34by151
13
7,399
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
P0121 Throttle Position Error
XJ8Johnny
on Feb 18, 2009
Oct 5, 2014
11:44 AM
by
larryjk
9
11,362
XJ XJ8 / XJR ( X308 )
P0121
RJag
on Jul 15, 2012
Jul 18, 2012
03:45 PM
by
RJag
3
2,333
XK8 / XKR ( X100 )
Random "failsafe" mode
(
1
2
3
)
HyperInferno
on Feb 2, 2012
Jul 8, 2012
03:15 PM
by
dneu
45
8,564
XJ XJ8 / XJR ( X308 )
Throttle body Code -in LIMP MODE P0121
(
1
2
)
Mimmo
on Feb 11, 2012
May 7, 2012
10:17 AM
by
Mimmo
26
23,039
X-Type ( X400 )
California Smog FAIL 1999 XK8
djpaule
on Mar 19, 2012
Mar 20, 2012
03:06 PM
by
H20boy
3
2,730
XK8 / XKR ( X100 )
STR High Idle and TPS Range
tomciob
on Feb 23, 2012
Feb 23, 2012
07:24 AM
by
tomciob
0
1,370
S-Type / S type R Supercharged V8 ( X200 )
P0121 code
abritinga
on Jan 21, 2012
Jan 22, 2012
11:52 PM
by
billbjork
3
4,008
X-Type ( X400 )
Engine Fault and Deciphering P-codes
(
1
2
)
jar
on Nov 12, 2010
Jan 22, 2012
08:48 AM
by
JagV8
27
16,919
S-Type / S type R Supercharged V8 ( X200 )
adventures in P0121 land
hdsg
on Sep 28, 2011
Sep 28, 2011
10:50 AM
by
hdsg
1
1,462
XK8 / XKR ( X100 )
new thing, same issue
sidewalkman
on Sep 3, 2011
Sep 4, 2011
02:53 AM
by
Cadillac
1
1,325
X-Type ( X400 )
P1229 code Jag XJR 2000
johnoaz
on May 11, 2010
Jul 23, 2011
11:39 AM
by
Count Iblis
10
17,403
XJ XJ8 / XJR ( X308 )
maybe cure for limp mode, code P0121.
Lee DaMet
on Jun 6, 2011
Jun 9, 2011
11:09 AM
by
Lee DaMet
6
3,505
XK8 / XKR ( X100 )
throttle body (how quickly can i get a resonse, lol)
(
1
2
)
justwant2drive
on Jan 13, 2011
Apr 5, 2011
06:24 PM
by
Pushing_Tin
23
4,937
S-Type / S type R Supercharged V8 ( X200 )
MAjor Bummer..Still have TPS/TB issue
fergs03R
on Mar 10, 2011
Mar 10, 2011
08:32 PM
by
vance580
10
1,902
S-Type / S type R Supercharged V8 ( X200 )
Replacing throttle body
veffremov
on Oct 4, 2010
Mar 5, 2011
12:02 PM
by
Glendoramike
18
15,545
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
P0121 abs/trac limp home
Spurlee
on Sep 21, 2010
Oct 26, 2010
07:07 PM
by
brgjag
15
8,330
XK8 / XKR ( X100 )
p1193 & p0121
bigreguk
on Oct 13, 2010
Oct 14, 2010
08:38 PM
by
sparkenzap
5
6,674
XJ XJ6 / XJR6 ( X300 )
Need Correct Codes for 04 X Type! Help!
baycliffpwds
on Sep 16, 2010
Sep 19, 2010
09:53 AM
by
baycliffpwds
11
1,745
X-Type ( X400 )
codes and warnings galore
super_jag
on Mar 26, 2010
Mar 27, 2010
03:41 PM
by
thep
6
3,085
S-Type / S type R Supercharged V8 ( X200 )
Fail Safe Engine Mode
qwakwak
on Feb 13, 2010
Mar 4, 2010
11:35 AM
by
H20boy
18
3,251
XK8 / XKR ( X100 )
XJ8 Limp mode fun
QuadManiac
on Feb 20, 2010
Feb 23, 2010
12:16 AM
by
QuadManiac
4
12,632
XJ XJ8 / XJR ( X308 )
"Failsafe Engine Mode"
MicksJag
on Oct 25, 2009
Oct 30, 2009
08:02 PM
by
MicksJag
15
16,368
XK8 / XKR ( X100 )
Check engine, gas tank level?
XJ8Johnny
on Jul 13, 2009
Jul 24, 2009
07:20 AM
by
sparkenzap
4
2,501
XJ XJ8 / XJR ( X308 )
04 xtype throttle angle error
philsk8ts
on Jul 15, 2009
Jul 15, 2009
07:17 PM
by
MarkC
1
12,344
X-Type ( X400 )
What actually causes the P0121 TPS error
XJ8Johnny
on May 11, 2009
May 16, 2009
05:11 PM
by
XJ8Johnny
1
7,060
XJ XJ8 / XJR ( X308 )
Cylinder 6 misfire update & hard start
XJ8Johnny
on Apr 4, 2009
May 8, 2009
02:27 AM
by
sparkenzap
19
2,821
XJ XJ8 / XJR ( X308 )
Print and save
(
1
2
3
...
Last Page
)
racerx82
on Sep 19, 2006
Dec 10, 2008
05:02 PM
by
paul11117606
66
29,466
X-Type ( X400 )
restricted performance/failsafe problem now with OBD-II codes
erobbins
on May 8, 2008
May 11, 2008
05:37 PM
by
erobbins
7
11,936
XJ XJ8 / XJR ( X308 )
Fail Safe caused by TPS?
(
1
2
)
CarBizIndio
on Feb 22, 2008
Feb 24, 2008
01:56 PM
by
FactoryJaguarTech
21
7,070
XJ XJ8 / XJR ( X308 )
Powertrain OBD 2 codes P0100 - P1901
racerx82
on Feb 25, 2007
Aug 21, 2007
07:55 PM
by
bigdreams05
2
19,076
S-Type / S type R Supercharged V8 ( X200 )
2K2 X-TYPE Issues
on Nov 8, 2006
Nov 13, 2006
05:30 AM
by
X2 Jag
10
16,580
X-Type ( X400 )
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