When did the spark plug change on the Jaguar XJS?

When did the spark plug change on the Jaguar XJS?

Jaguar XJS AJ16: spark plug specification change In May 1995, Jaguar issued technical bulletin 12-54for 1995 model year Jaguar XJS vehicles with naturally aspirated 4.0-litre AJ16 engines. In these vehicles, hotter spark plugs were installed in production from VIN 194775. Jaguar XJS V12: rough idle/engine misfire

What is the problem code on a Jaguar XJS?

In these vehicles, the ‘check engine’ malfunction indicator light may illuminate and diagnostic trouble codes (DTCs) FF44 and/or FF45 may be stored. According to the technical bulletin, these DTCs show an inconsistent reading from the heated oxygen sensors (HO2S) due to a slight degradation of the engine to body ground straps.

What causes a Jaguar XJ engine to stall?

In November 1994, Jaguar issued technical bulletin 44-23for Jaguar XJS vehicles with 4.0-litre AJ16 engines. In these vehicles, the engine may stall when the transmission is shifted to Reverse or Drive from Park; stalling was most likely to occur when the engine was cold.

What kind of engine does a Jaguar XJS have?

In August 1997, Jaguar issued an amended technical bulletin 17-9 for 1993-94 model year Jaguar XJS vehicles with 4.0-litre petrol engines. In these vehicles, the operation of the AIR pump clutch was controlled by a relay located in the engine compartment.

Which is one stop source for Jaguar XJS?

V12 Performance -The Jaguar XJS specialists and one stop source for Jaguar XJS V12 performance and cooling upgrades, parts and accessories including cooling, intakes, brake, exhaust, LED lighting and suspension upgrades Welcome to V12 Performance, the Jaguar XJS specialists,

In November 1994, Jaguar issued technical bulletin 44-23for Jaguar XJS vehicles with 4.0-litre AJ16 engines. In these vehicles, the engine may stall when the transmission is shifted to Reverse or Drive from Park; stalling was most likely to occur when the engine was cold.

Who are the V12 performance Jaguar XJS specialists?

Welcome to V12 Performance, the Jaguar XJS specialists, where our passion is making a great car even better. Our aim is to be your one stop source for Jaguar XJS cooling and performance upgrades, replacement parts & accessories. For over ten years we’ve been proud to have served

In August 1997, Jaguar issued an amended technical bulletin 17-9 for 1993-94 model year Jaguar XJS vehicles with 4.0-litre petrol engines. In these vehicles, the operation of the AIR pump clutch was controlled by a relay located in the engine compartment.