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1989, 85, control, conversion, ecu, harness, ignition, jag, jaguar, lovers, magasquirt, marelli, megasquirt, msd, stage, v12, xj6, xjs

OFFICIAL megasquirt thread.

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M90power on Apr 9, 2012

Nov 11, 2025 01:50 AM
by Greg in France

75

55,427

XJS ( X27 )

Marinell and the mysterious Y-Connector

MikeCartwright on Oct 9, 2025

Oct 10, 2025 11:15 AM
by Jagman99R

13

627

XJS ( X27 )

automotive, coil, coils, connecdtor, connector, connectors, electrical, ignition, jaguar, location, marelli, merelli, motor, repair, test, v12, xjs

Marelli Coil Connectors - Is there a quick fix?

michaem101 on Jul 15, 2010

Mar 14, 2023 06:06 AM
by AByles

10

7,948

XJS ( X27 )

1990 Marelli Ignition no-start, starter runs on

jbmozer on Feb 12, 2021

Feb 14, 2021 10:44 AM
by jbmozer

6

961

XJS ( X27 )

1995, alternative, autolite, change, ignition, jaguar, marelli, plug, plugs, removal, spark, sparkplugs, straight, stype, v12, xjs

Spark Plugs - Opinions sought

dsetter on May 27, 2013

Dec 4, 2020 04:01 AM
by davidyun

5

3,691

XJS ( X27 )

distributor gasket

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1 2)

71 MKIV on Nov 15, 2018

Nov 28, 2018 10:55 AM
by 51rover

23

4,642

XJS ( X27 )

1989, 1993, 40, 40l, 53, cap, distributor, firing, jaguar, lucas, marelli, order, v12, whats, xj6, xjs

1989 XJS V12 Marelli distributor firing order

dstarr3 on Sep 21, 2012

Sep 10, 2017 11:11 PM
by cat_as_trophy

4

18,297

XJS ( X27 )

Jaguar V12 Marelli Jumper

ukester on Jun 13, 2013

Sep 8, 2016 01:34 PM
by Daim

15

4,932

XJS ( X27 )

1989, connect, diagram, ecu, efi, ign, jaguar, marelli, module, overrun, shielded, wire, wiring, xjs

Ignition ECU wires Marelli

bocagq45 on Jan 4, 2014

Feb 22, 2014 04:54 PM
by superchargedtr6

10

10,544

XJS ( X27 )

XK owner thinking about XJS - years

jnporcello on Sep 10, 2013

Sep 17, 2013 04:25 AM
by warrjon

9

1,850

XJS ( X27 )

1995, circuit, ignition, jaguar, marelli, nightmare, wiring, xj, xjs

Wiring nightmare

8aric8 on Apr 8, 2013

Apr 9, 2013 01:24 PM
by JameyXJ6

5

1,761

XJS ( X27 )

1985, 96, jaguar, marelli, plug, position, potentiometer, sensor, switch, testing, throttle, tps, v12, wiring, xjs

Throttle Position Sensor interchangeability question.

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1 2)

Mish_Mish on Mar 24, 2013

Mar 29, 2013 09:48 AM
by Mish_Mish

21

25,522

XJS ( X27 )

ignition, jaguar, marelli, module, test, xjs

What's the gunk under the Marelli Ignition Modules?

tdickins on Feb 18, 2013

Feb 22, 2013 06:43 PM
by tdickins

6

1,547

XJS ( X27 )

53, 53l, 91, cap, distrbutor, distributor, history, install, installation, jaguar, litre, marelli, motor, v12, xjs

Complete Marelli Distributor Assembly for Jaguar XJS 5.3L V12

inertian on Jan 26, 2013

Jan 26, 2013 01:18 PM
by inertian

0

1,578

PRIVATE For Sale / Trade or Buy Classifieds

60, arnley, beck, brown, cap, distributor, exhaust, great, idle, jaguar, load, loud, marelli, power, xjs

Help / thoughts requested!

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1 2)

ktrumper on Nov 3, 2012

Nov 22, 2012 12:55 PM
by Sarc

31

3,498

XJS ( X27 )

1989, 89, acceleration, backfire, exhaust, hard, jaguar, marelli, misfire, rough, runs, start, v12, xjs, zjs

XJS V12 runs rough when started

klipperman on Oct 12, 2012

Oct 15, 2012 02:30 PM
by Per

6

9,927

XJS ( X27 )

86 XJS V12 Power Window Failure

aiainc on Sep 26, 2012

Sep 27, 2012 06:41 AM
by macboots

5

3,673

XJS ( X27 )

1989, 1991, 1995, black, custom, forum, gallery, grill, grille, jaguar, marelli, mesh, mina, xj, xjs

New Custom Grill on my XJS

mannymux on Sep 18, 2012

Sep 19, 2012 06:41 PM
by mannymux

13

12,721

XJS ( X27 )

1989, 40, bad, button, failures, ignition, jaguar, lucas, marelli, rotor, switch, xjs

Marelli or Lucas?

gregh on Aug 3, 2012

Aug 4, 2012 02:33 AM
by warrjon

4

4,091

XJS ( X27 )

1992, 53l, bank, blackbox, built, cap, coil, connector, distributor, failure, ignition, jaguar, marelli, prevention, v12, xjs

So...has anyone built the Marelli "black box"?

howlinowl on Jul 20, 2012

Jul 24, 2012 08:38 PM
by mrtalkradio

7

1,982

XJS ( X27 )

94, adjusting, chip, ecu, footwell, jaguar, kill, marelli, mirelli, modules, pasenger, problem, timing, tool, xjs

94 XJS Marelli ECU

fdexter on Jul 18, 2012

Jul 20, 2012 04:30 AM
by warrjon

4

3,865

XJS ( X27 )

blue, bumper, custom, fuel, injection, jag, jaguar, location, marelli, orange, plug, radiator, replacing, spark, v12, xj, xjs

First Drive in XJ-S,and Car Breaks Down

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1 2)

oceansonmars on Jun 6, 2012

Jul 8, 2012 07:51 PM
by Greg Edge

24

5,360

XJS ( X27 )

1989, cap, check, coolant, distributer, distributor, ignition, jag, jaguar, marelli, sensor, stop, temperature, xjs, year

1989 XJ-S 5.3 Engine Stopped

Fgarden on Jul 1, 2012

Jul 3, 2012 06:20 AM
by warrjon

10

2,592

XJS ( X27 )

burnt, catches, extinguisher, failure, fire, hand, jaguar, kirby, marelli, prevention, rack, repair, steering, xj, xjs

Fire Victim 173

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1 2)

mrtalkradio on Jun 28, 2012

Jul 1, 2012 02:09 PM
by Sarc

26

4,123

XJS ( X27 )

conversion, convert, distributor, distrubutor, enthusiasts, form, ignition, jaguar, lucas, marelli, marrelli, switch, system, xjs, year

Keep the Marelli or Change to Lucas?

Bill C on May 4, 2012

May 8, 2012 10:13 AM
by Ken Higgins

10

7,675

XJS ( X27 )

1989, 89, adjust, adjustment, cold, egr, high, highcold, idle, jaguar, marelli, open, speed, stuck, valve, xjs

cant seem to bring idle down

calvindoesntknow on Apr 7, 2012

Apr 10, 2012 12:53 PM
by Mish_Mish

11

9,205

XJS ( X27 )

1985, 1989, 89, backfire, backfiring, find, harness, jaguar, marelli, project, repair, replaced, wire, wiring, xjs

1985 xjs project, engine diagnosis.

Pif on Jan 5, 2012

Jan 27, 2012 01:03 PM
by Per

15

3,982

XJS ( X27 )

burned, cat, falure, harness, jaguar, lucas, marelli, melt, melted, reasons, replaced, rotor, signs, wire, xjs

Causes of melted cats

robinlarry on Jan 19, 2012

Jan 20, 2012 03:21 PM
by warrjon

6

2,369

XJS ( X27 )

failure, failures, fix, flint, growler, ignition, ironstag, jose, marelli, motor, prevent, rotor, san, sealant, silicone, xjs

Marelli ignition failure

Flint Ironstag on Dec 3, 2011

Dec 12, 2011 05:26 PM
by old spokesman

9

13,260

XJS ( X27 )

1992, 53, bad, cap, estimates, hard, jaguar, marelli, needed, overheat, procedure, tune, tuneup, v12, xjs

First V12, First tune up

AsherDaze on Nov 1, 2011

Nov 25, 2011 03:46 AM
by M90power

13

8,095

XJS ( X27 )

1979, 1989, 1996, 2011, battery, ingnition, jaguar, marelli, start, starting, voltage, wont, xj, xjs

XJS will not start

The Saint 79 on Jul 7, 2011

Jul 9, 2011 07:03 AM
by The Saint 79

5

1,665

XJS ( X27 )

advance, aftermarket, distributor, ecu, failed, ignition, jaguar, lucas, marelli, module, system, v12, vacuum, xj12, xjs

xjs ignition

justsoup on Jun 28, 2011

Jun 29, 2011 03:50 PM
by warrjon

3

5,716

XJS ( X27 )

1990, efi, idle, jag, jaguar, link, location, marelli, micro, microswitch, selection, strategy, switch, throttle, xjs

Idle switch in rear of intake?

worried n confused on Jun 20, 2011

Jun 22, 2011 12:07 AM
by Leatherman007

3

2,650

XJS ( X27 )

back, cap, cat, distributor, exhaust, genuine, jaguar, jump, marelli, rotor, rpms, v12, welsh, xj12, xjs

'94 XJS weird issue with exhaust and RPMs??

hey_nav on Oct 10, 2010

Dec 23, 2010 02:43 PM
by Sarc

17

2,540

XJS ( X27 )

12, 89, cracks, dashboard, distributor, fitting, forum, fuel, head, jaguar, lines, marelli, replacement, v12, wood, xjs

Sorting the '89.5 XJS V12

Flint Ironstag on Dec 2, 2010

Dec 4, 2010 08:47 AM
by FirehawkMike

6

2,749

XJS ( X27 )

1989, 89, car, computer, crank, ignition, info, injector, jaguar, marelli, no, spark, things, v12, xj12, xj6, xjs

1989 xjs v12 no spark!!

jbrobinson on Oct 11, 2010

Oct 12, 2010 10:57 PM
by Doug

6

15,779

XJS ( X27 )

coil, coils, correctly, distributor, fit, fitting, jaguar, marelli, uro, urocoil, wire, wires, xjs

Distributor Wire not Fitting Snugly on New URO Coil

michaem101 on Jul 21, 2010

Jul 21, 2010 04:32 PM
by michaem101

1

1,432

XJS ( X27 )

88, apauro, bad, coil, current, forum, ignition, jaguar, marelli, oem, parts, radiator, supplier, uro, xjs

APA/URO : Jag's Current OEM Supplier?

michaem101 on Jun 27, 2010

Jul 5, 2010 11:24 PM
by jims

5

2,128

XJS ( X27 )

1989, 89, cap, coil, distributor, exploded, ignition, jaguar, loss, marelli, oem, pinion, power, rack, standard, v12, view, xj12, xjs

Precautionary Mods for Marelli XJS

michaem101 on Jun 26, 2010

Jul 2, 2010 03:17 PM
by ken@britishparts.com

6

5,973

XJS ( X27 )

jag, jaguar, kirby, kirbys, marelli, mod, modification, mods, rotor, xjs

Taking a Break from Brakes - Marelli Rotor Mod in Kirby

michaem101 on Jun 22, 2010

Jun 23, 2010 12:04 AM
by michaem101

1

1,126

XJS ( X27 )

abs, bleeder, bleeding, brake, caps, distributor, jaguar, m7, marelli, photo, speed, system, teves, xj6, xjs

Brake bleeding

johnlittle01 on Dec 16, 2009

May 15, 2010 12:52 PM
by michaem101

9

12,238

XJS ( X27 )

Knocking

johnlittle01 on Dec 6, 2009

Dec 7, 2009 12:09 PM
by Sarc

1

1,550

XJS ( X27 )

coil, ignition, jag, marelli, speeedracer, v12

Noob, any advise?

sjfarbs on Feb 21, 2009

Mar 6, 2009 06:28 AM
by mbannister

5

1,272

XJS ( X27 )

air, burn, check, cylinder, dump, exhaust, firing, forum, fouled, fuel, jaguar, marelli, oil, plugged, plugs, v12, valve, xj6, xjs

Exhaust system

i_like_ike on Dec 27, 2008

Dec 28, 2008 07:56 PM
by davidlthies

5

1,507

XJS ( X27 )

bead, blasting, ebc3815, fuel, hose, marelli, rail, v12, xjs

refurbished V12 fuel rail for sale.........

Brake buster on Mar 9, 2008

Mar 9, 2008 11:07 AM
by Brake buster

0

1,216

PRIVATE For Sale / Trade or Buy Classifieds

12, 1994, 94, battery, cap, cylinder, distributor, jaguar, marelli, stock, xj12

Please add the XJ12 that includes 1994 to the forums

Pookster208 on Feb 13, 2008

Feb 13, 2008 03:14 PM
by ken@britishparts.com

4

1,442

XJ6 & XJ12 Series I, II & III

Threads Tagged with marelli