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Engine

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V12 Engine - Difficulty Removing Exhaust Manifolds - Inaccessible / Seized Nuts

Last postbyPJAB « Wed Aug 27, 2025 10:50 am
Replies: 4
Attachment(s)byPJAB »Tue Aug 26, 2025 9:59 am

Replies: 4
Views: 4881

Last post byPJAB View the latest post
Wed Aug 27, 2025 10:50 am
V12 Engine - Name that part!

Last postbyPJAB « Fri Jul 11, 2025 11:30 am
Replies: 6
Attachment(s)byPJAB »Tue Jul 08, 2025 4:12 pm

Replies: 6
Views: 1138

Last post byPJAB View the latest post
Fri Jul 11, 2025 11:30 am
AJ16 intermittent misfire

Last postbycjnsharpe124 « Tue Jul 08, 2025 10:01 am
Replies: 23
1
2
Attachment(s)bycjnsharpe124 »Sat Apr 27, 2024 2:58 pm
Replies: 23
Views: 5306

Last post bycjnsharpe124 View the latest post
Tue Jul 08, 2025 10:01 am
Repro Marelli V12 Distributor Caps

Last postbyJaguar5993 « Mon Apr 21, 2025 7:12 am

Attachment(s)byJaguar5993 »Mon Apr 21, 2025 7:12 am

Replies: 0
Views: 3321

Last post byJaguar5993 View the latest post
Mon Apr 21, 2025 7:12 am
AJ16 Misfire

Last postbya_romeo_75491 « Sat Nov 09, 2024 8:01 pm
Replies: 7
bya_romeo_75491 »Mon Oct 07, 2024 8:30 pm

Replies: 7
Views: 2027

Last post bya_romeo_75491 View the latest post
Sat Nov 09, 2024 8:01 pm
1995 4.0 AJ16 XJS Oil pressure sensor

Last postbypoprivet « Thu Jun 20, 2024 3:21 pm
Replies: 7
Attachment(s)byXJSDave »Sat Dec 28, 2019 9:55 pm

Replies: 7
Views: 2065

Last post bypoprivet View the latest post
Thu Jun 20, 2024 3:21 pm
3.6 Base Idle Adjustment

Last postbypoprivet « Thu Jun 20, 2024 12:57 pm
Replies: 2
bypoprivet »Thu Jun 20, 2024 10:16 am

Replies: 2
Views: 1123

Last post bypoprivet View the latest post
Thu Jun 20, 2024 12:57 pm
1995 Jaguar XJS 4.0 Reg: RIW8250 Engine Number Location

Last postbydgrahamenquiries100 « Mon May 06, 2024 11:57 am
Replies: 2
Attachment(s)bydgrahamenquiries100 »Sun May 05, 2024 6:58 pm

Replies: 2
Views: 1054

Last post bydgrahamenquiries100 View the latest post
Mon May 06, 2024 11:57 am
Oil grade for 3.6 engine

Last postbyng4xjs « Sat Apr 27, 2024 8:52 pm
Replies: 5
bypoprivet »Sun Dec 03, 2023 11:37 am

Replies: 5
Views: 1811

Last post byng4xjs View the latest post
Sat Apr 27, 2024 8:52 pm
4.0 Facelift Oil Cooler

Last postbyptjs1 « Sat Apr 06, 2024 5:11 pm
Replies: 8
Attachment(s)bycjnsharpe124 »Sun Mar 10, 2024 4:49 pm

Replies: 8
Views: 1614

Last post byptjs1 View the latest post
Sat Apr 06, 2024 5:11 pm
Dry Ice Cleaning

Last postbyPaulGover « Sun Feb 04, 2024 11:28 am
Replies: 3
byPJAB »Sat Feb 03, 2024 12:13 pm

Replies: 3
Views: 1066

Last post byPaulGover View the latest post
Sun Feb 04, 2024 11:28 am
Replaced fuel and injector lines now wont fire.

Last postbyalmcl « Fri Dec 29, 2023 11:16 pm
Replies: 4
bypat101 »Thu Dec 28, 2023 10:53 pm

Replies: 4
Views: 1890

Last post byalmcl View the latest post
Fri Dec 29, 2023 11:16 pm
Oil coolers for 6L (UK/EU vs. USA)

Last postbymike020150 « Mon Aug 21, 2023 2:22 pm
Replies: 3
Attachment(s)bynicholas6885 »Tue Aug 15, 2023 4:22 pm

Replies: 3
Views: 1693

Last post bymike020150 View the latest post
Mon Aug 21, 2023 2:22 pm
Intermittent RPM Gauge

Last postbypoprivet « Mon Jun 12, 2023 10:45 am
Replies: 1
byPJAB »Mon Jun 12, 2023 8:05 am

Replies: 1
Views: 1263

Last post bypoprivet View the latest post
Mon Jun 12, 2023 10:45 am
3.6 manual cutting out at low revs once warmed up

Last postbyPaulGover « Thu Jun 01, 2023 11:29 am
Replies: 18
1
2
bySimonR »Thu Jan 27, 2022 10:51 pm
Replies: 18
Views: 3599

Last post byPaulGover View the latest post
Thu Jun 01, 2023 11:29 am
4.0 AJ6 not starting then very rough

Last postbyptjs1 « Wed Apr 26, 2023 6:20 pm
Replies: 8
bytommad »Thu Apr 13, 2023 9:06 pm

Replies: 8
Views: 2190

Last post byptjs1 View the latest post
Wed Apr 26, 2023 6:20 pm
Oil cooler bypass - Massive oil spill

Last postbySimonR « Fri Feb 17, 2023 7:23 pm
Replies: 11
bysimon291971449 »Thu Feb 09, 2023 10:08 pm

Replies: 11
Views: 6373

Last post bySimonR View the latest post
Fri Feb 17, 2023 7:23 pm
Oil cooler bypass

Last postbysimon291971449 « Thu Feb 09, 2023 7:07 pm
Replies: 5
Attachment(s)bysimon291971449 »Tue Jan 03, 2023 10:15 am

Replies: 5
Views: 1751

Last post bysimon291971449 View the latest post
Thu Feb 09, 2023 7:07 pm
Shunting at light throttle opening when hot V12 HE

Last postbypjknowles1968973 « Thu Jan 05, 2023 3:54 pm

bypjknowles1968973 »Thu Jan 05, 2023 3:54 pm

Replies: 0
Views: 1164

Last post bypjknowles1968973 View the latest post
Thu Jan 05, 2023 3:54 pm
K&N Air Filer for the later 3.6

Last postbySimonR « Tue Oct 25, 2022 9:08 pm
Replies: 9
bySimonR »Mon Feb 21, 2022 11:13 pm

Replies: 9
Views: 2185

Last post bySimonR View the latest post
Tue Oct 25, 2022 9:08 pm
Engine turns but doesn't start

Last postbyandypryce « Fri Jun 24, 2022 11:16 am
Replies: 9
byDavidCabriolet »Mon May 23, 2022 6:23 pm

Replies: 9
Views: 2095

Last post byandypryce View the latest post
Fri Jun 24, 2022 11:16 am
Engine cover

Last postbydavid8735 « Tue Apr 19, 2022 11:10 am
Replies: 2
bydavid8735 »Tue Feb 01, 2022 6:52 pm

Replies: 2
Views: 1406

Last post bydavid8735 View the latest post
Tue Apr 19, 2022 11:10 am
Choke 3.6

Last postbyronwbean231 « Tue Mar 01, 2022 11:53 pm

byronwbean231 »Tue Mar 01, 2022 11:53 pm

Replies: 0
Views: 1108

Last post byronwbean231 View the latest post
Tue Mar 01, 2022 11:53 pm
Pre-HE Series 3 Service Replacement - But, what is it? Relevant to XJS also ...

Last postbyPaulGover « Sun Feb 27, 2022 7:55 pm
Replies: 12
Attachment(s)bywgsouter »Tue Feb 22, 2022 2:39 pm

Replies: 12
Views: 3547

Last post byPaulGover View the latest post
Sun Feb 27, 2022 7:55 pm
Oil leak at very front of car

Last postbyptjs1 « Sat Dec 18, 2021 2:17 pm
Replies: 3
bysimon291971449 »Sat Dec 18, 2021 12:27 pm

Replies: 3
Views: 1570

Last post byptjs1 View the latest post
Sat Dec 18, 2021 2:17 pm
4 litre AJ6 XJS cuts out after one mile

Last postbyJeromeNorris « Tue Aug 03, 2021 5:20 pm
Replies: 5
byJeromeNorris »Thu Jul 08, 2021 5:09 pm

Replies: 5
Views: 1902

Last post byJeromeNorris View the latest post
Tue Aug 03, 2021 5:20 pm
FF23

Last postbyalmcl « Thu Apr 01, 2021 10:50 pm
Replies: 3
byrsims193141 »Wed Mar 31, 2021 7:48 am

Replies: 3
Views: 1498

Last post byalmcl View the latest post
Thu Apr 01, 2021 10:50 pm
Rough idle when warm

Last postbypaulfrost88960 « Tue Dec 01, 2020 2:03 pm
Replies: 13
bypaulfrost88960 »Tue Nov 24, 2020 10:22 am

Replies: 13
Views: 2583

Last post bypaulfrost88960 View the latest post
Tue Dec 01, 2020 2:03 pm
timing belt

Last postbyPaulGover « Sat Nov 14, 2020 1:52 pm
Replies: 4
byrsims193141 »Sun Nov 01, 2020 2:03 pm

Replies: 4
Views: 1611

Last post byPaulGover View the latest post
Sat Nov 14, 2020 1:52 pm
AJ16 Engine

Last postbyng4xjs « Sun Oct 18, 2020 7:38 pm
Replies: 8
bykelval »Mon Nov 12, 2018 5:46 pm

Replies: 8
Views: 2700

Last post byng4xjs View the latest post
Sun Oct 18, 2020 7:38 pm
Engine Oil Analysis - My Oil Doctor

Last postbyAndyF « Mon Oct 12, 2020 1:35 pm
Replies: 9
Attachment(s)byAndyF »Fri Aug 28, 2020 6:44 pm

Replies: 9
Views: 2719

Last post byAndyF View the latest post
Mon Oct 12, 2020 1:35 pm
eMission control - we (don't) have a problem!

Last postbyptjs1 « Sat Sep 19, 2020 12:14 pm
Replies: 4
bypoprivet »Mon Feb 18, 2019 5:20 pm

Replies: 4
Views: 2193

Last post byptjs1 View the latest post
Sat Sep 19, 2020 12:14 pm
FF23 and High Idle on 6.0 V12 - Solved?

Last postbyAndyF « Sat Sep 12, 2020 3:05 pm
Replies: 8
Attachment(s)byAndyF »Tue Aug 13, 2019 9:37 pm

Replies: 8
Views: 2401

Last post byAndyF View the latest post
Sat Sep 12, 2020 3:05 pm
Engine Stalling - AJ16

Last postbyng4xjs « Wed Sep 02, 2020 7:26 pm
Replies: 2
Attachment(s)byng4xjs »Sun Aug 30, 2020 6:03 pm

Replies: 2
Views: 1297

Last post byng4xjs View the latest post
Wed Sep 02, 2020 7:26 pm
AJ-6 or AJ-16?

Last postbycarpediem2000455 « Mon Aug 31, 2020 9:39 am
Replies: 3
Attachment(s)bycarpediem2000455 »Fri Aug 28, 2020 6:51 pm

Replies: 3
Views: 2124

Last post bycarpediem2000455 View the latest post
Mon Aug 31, 2020 9:39 am
AJ16 Head Gasket

Last postbyjeff1954 « Thu May 28, 2020 6:42 pm
Replies: 10
byjeff1954 »Fri May 22, 2020 6:56 pm

Replies: 10
Views: 2111

Last post byjeff1954 View the latest post
Thu May 28, 2020 6:42 pm
V12 6.0 engine rebuild or not?

Last postbynicholas6885 « Sat May 09, 2020 12:23 pm
Replies: 4
bynicholas6885 »Sat Mar 28, 2020 6:37 pm

Replies: 4
Views: 1717

Last post bynicholas6885 View the latest post
Sat May 09, 2020 12:23 pm
engine cleaning

Last postbypaulfrost88960 « Tue May 05, 2020 2:53 pm
Replies: 7
bypaulfrost88960 »Wed Apr 29, 2020 12:11 pm

Replies: 7
Views: 1898

Last post bypaulfrost88960 View the latest post
Tue May 05, 2020 2:53 pm
94 XJS 4.0L won't start till warm

Last postbykerrconcryl399 « Thu Apr 30, 2020 11:47 am
Replies: 2
bykerrconcryl399 »Mon Apr 27, 2020 1:30 pm

Replies: 2
Views: 1312

Last post bykerrconcryl399 View the latest post
Thu Apr 30, 2020 11:47 am
Engine oil again- 89 V12

Last postbydavidr « Wed Feb 26, 2020 8:05 pm
Replies: 1
bystuart1927 »Wed Feb 26, 2020 1:27 pm

Replies: 1
Views: 1251

Last post bydavidr View the latest post
Wed Feb 26, 2020 8:05 pm
Engine Bay Upgrade - 1979 Pre-HE

Last postbyptjs1 « Thu Feb 20, 2020 5:38 pm
Replies: 4
Attachment(s)byptjs1 »Mon Feb 17, 2020 11:07 pm

Replies: 4
Views: 1565

Last post byptjs1 View the latest post
Thu Feb 20, 2020 5:38 pm
AJ16 engine servicing

Last postbystuart1927 « Wed Feb 19, 2020 8:11 pm
Replies: 10
bystuart1927 »Mon Feb 10, 2020 7:44 pm

Replies: 10
Views: 2266

Last post bystuart1927 View the latest post
Wed Feb 19, 2020 8:11 pm
Free V12 5.3 Engine "Has been collected" No longer available

Last postbyGatto Veloce « Wed Feb 19, 2020 12:31 pm

byGatto Veloce »Wed Feb 19, 2020 12:31 pm

Replies: 0
Views: 1170

Last post byGatto Veloce View the latest post
Wed Feb 19, 2020 12:31 pm
Sudden engine failure...bad CPS?

Last postbycafcpete « Mon Jan 13, 2020 11:35 pm
Replies: 8
bywizrod »Mon Dec 23, 2019 8:23 am

Replies: 8
Views: 3626

Last post bycafcpete View the latest post
Mon Jan 13, 2020 11:35 pm
rough idle when hot 5.3convertible

Last postbyJohnscotty22 « Mon Dec 30, 2019 11:43 pm

byJohnscotty22 »Mon Dec 30, 2019 11:43 pm

Replies: 0
Views: 1187

Last post byJohnscotty22 View the latest post
Mon Dec 30, 2019 11:43 pm
Zytec ECU settings

Last postbymarekh « Mon Sep 16, 2019 10:27 pm

bymarekh »Mon Sep 16, 2019 10:27 pm

Replies: 0
Views: 1739

Last post bymarekh View the latest post
Mon Sep 16, 2019 10:27 pm
Oil pressure gauge drop off.

Last postbypoprivet « Fri Aug 16, 2019 7:45 am
Replies: 16
1
2
byBigBlueCat »Tue Oct 17, 2017 9:55 pm
Replies: 16
Views: 6745

Last post bypoprivet View the latest post
Fri Aug 16, 2019 7:45 am
V12 ecu vacuum pipe in boot

Last postbyalastair.mathias@outlook.com « Sat Apr 27, 2019 2:01 am
Replies: 1
Attachment(s)bysbn_98@yahoo.com »Thu Mar 28, 2019 6:08 pm

Replies: 1
Views: 2408

Last post byalastair.mathias@outlook.com View the latest post
Sat Apr 27, 2019 2:01 am
V12 white smoke and slight misfire?

Last postbysteve_m « Fri Mar 22, 2019 10:47 pm
Replies: 5
byRayGardner »Mon Feb 11, 2019 11:17 pm

Replies: 5
Views: 2730

Last post bysteve_m View the latest post
Fri Mar 22, 2019 10:47 pm
V12 Engine Rebuild

Last postbyDaveNeedham « Tue Jan 01, 2019 8:02 pm
Replies: 6
byjimmy1945 »Sun Nov 25, 2018 11:22 am

Replies: 6
Views: 3329

Last post byDaveNeedham View the latest post
Tue Jan 01, 2019 8:02 pm

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