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.

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.

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

When to replace Ignition System on Jaguar XJS?

If you have a pre-1989 XJS you may want to consider Jaguar parts to replace the original ignition system as it had a distributor problem which seized up the catalytic converter and caused fires. Head gaskets and fuel injection hoses should also be replaced when worn out for the same reason.

Do you need Jaguar XJS parts for a coupe?

Depending on your version you may need Jaguar XJS parts for a coupe, a convertible, a V-12 or straight 6 engine. If you have a V-12 the cooling systems needs to be maintained often as it may result in overheating because of the small engine bay in which case it can result in a blown head gasket.

When did the Jaguar XJS convertible come out?

Although the XJS was upgraded again in 1987 with a 4-speed automatic transmission it wasn’t very popular until a convertible was available, then the sales rocketed. The XJS had finally proved true to Jaguar’s most popular theme of being a sports car which increased its sales in the US.

Are there any recalls on the 1994 Jaguar XJS?

Once More, the 1994 model was recalled in May 19, 2006 for having a poorly fitting replacement fuel filter that inadequately seals components leading to fuel leaking from the engine compartment. This could pose a safety risk and also actively contributes to poor fuel economy.

What to do if your Jaguar XJ6 won’t start?

If your XJ6 or XJ12 won’t start, grab your voltmeter and follow this checklist. Covers checking spark plugs, coil, wires and distributor cap, ballast resistor, amplifier and distributor pick-up, fuel supply, fuel pump and relay, air flow meter, fuel injectors and ECU.

Why did my Jaguar XJS have an engine fire?

Earlier cars can have engine fires due to the fuel injector hoses getting brittle and leaking due to the heat in the Vee of the engine. ALL of them can have distributor explosions due to how they’re arranged.

When did the Jaguar XJ12 get electronic fuel injection?

Most XJ12 saloons continued with the earlier 9:1 D-Jetronic engine until the arrival of the H.E. engine in July 1981 but a few saloons were fitted with the 10:1 engine and Digital P. I understand that the improved fuelling accuracy of the Digital P EFI system was what made the higher compression engine viable.

What was the problem with the Jaguar XJ-S?

Overheating was a problem with V-12s; make sure both cylinder heads were rebuilt. Also check for evidence of engine fires, though such disasters frequently destroyed the car. Automatic transmissions are usually trouble free, but leak. Rear main seal and differential leaks are expensive to repair.

What kind of engine does the Jaguar XJ-S have?

Its replacement confounded E-Type fans. The XJ-S was a hefty coupe with slab sides and flying buttresses. It was built on a shortened XJ6 sedan chassis, with the 285 bhp, 5.3-liter single overhead-cam (SOHC) V-12 from the E-Type, now fitted with Lucas fuel injection.

What kind of engine does a Jaguar XJ have?

Cars using the 4.0 and 3.2 included: Both the 3.2 and 4.0 were substantially revised for the 1995 launch of the renewed Jaguar XJ (X300) saloon. These are the “AJ16” engines, both featuring coil-on-plug distributorless ignition, new engine management systems, magnesium alloy valve covers, revised pistons and other detail changes.

When did the new Jaguar XJS come out?

In typical Jaguar tradition, the new engine would first be used in a sports car and in 1983 Jaguar launched the AJ6 powered 3.6 liter XJS offering prospective buyers a more economical alternative to the high end V12 XJS although it would not be available in the US.

Why does my Jaguar XJS have poor fuel economy?

In summary, the fuel filter sold for the model was not manufactured to suit Honeywell’s specifics resulting in incorrect placement of the O-ring on the fuel line. Automatically, inadequate sealing will lead to leaking of oil out of the engine. Apart from being a fire hazard leaking fuel is a major cause of poor fuel economy.

When did the Jaguar AJ16 evolution come out?

It was only the third all-new engine ever designed by the company. The AJ16 evolution was replaced in 1996 with the Jaguar developed AJ-V8 engine . Jaguar had considered cutting their existing V12 in half to build a V6, or possibly a V8, but chose instead to develop a new inline six. The cylinders are inclined, as in a slant-6, by 22 degrees.

What was the model year of the Jaguar XJS?

In February 1998, Jaguar issued an amended technical bulletin 18-49 for 1996 model year Jaguar XJS vehicles with 4.0-litre engines and VINs in the range 222632 and 224124.

Are there any problems with the Jaguar XJ transmission?

If you’ve had any difficulty with the transmision in your XJ series car, please tell us about it. No really problems. There is a recall out for a programming issue. Other than that the cars has been great. I have a 1998 XJ V8 vanden plais. Last spring at 80,000 I had a rebuilt transmission installed from a transmission shop.

When did the last Jaguar XJ Coupe come out?

A 4.0-liter six-cylinder engine arrived in 1994, with a top speed of 141 mph, but 1995 was the last year for the six cylinder XJS, and its optional five-speed. The V-12 coupe was discontinued, but the convertible V-12 was available through 1996 on special order.

What kind of engine does a Jaguar XJ6 have?

Models covered Jaguar XJ6 models with 3.2 litre (3239 cc), 3.6 litre (3590 cc) & 4.0 litre (3980 cc) six-cylinder in-line dohc petrol engines and automatic transmission

When did the first XJ cabriolet come out?

The production process was convoluted, but XJ-S sales rebounded to 6,028 in 1984 and a V-12 cabriolet was offered in 1985. American buyers wanted a proper convertible and coachbuilders Hess & Eisenhart of Cincinnati, Ohio, converted about 2,000 coupes in 1986-87.

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