What kind of Revs does 1986 XJS V12 have?
We recently bought a 1986 XJS V12. When starting from cold the engine revs up and down between 400 and 1.600rpm. This continues until the engine has warmed up. Once hot, it starts every time without problem. I have flushed out the cooling system. fitted new thermostats and changed all twelve plugs.
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.
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.
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.
How to troubleshoot the Jaguar XJ-S electronic fuel injection?
If you wish to understand or troubleshoot the Jaguar XJ-S electronic fuel injection system, it is highly recommended that you obtain a copy of “Understanding Electronic Fuel Injection, Ignition and Engine Management ” by Roger Bywater and available from AJ6 Engineering.
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.
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.
When did the first Jaguar XJS come out?
It is the pioneer to an iconic Jaguar series that had its debut in September f 1975. Coupled with a V12 engine and powerful transmission, great things were expected of this model.
Are there any problems with the Jaguar XJS?
In fact, there are other problems, more generalized than the ones discussed which affect the XJS performance. In this second section we will discuss these general issues and how they can be addressed. Because of the nature of the XJS body, it is prone to rust and rot on and inside various components.
Where do you find rust on a Jaguar XJS?
The most common places you will find rust or even rot on these models include the lower front wing sections and the front and rear windscreens with occurrence in the rear tail light. In order to solve this rust, rot and residue problem, you will have to determine the extent of contamination or corrosion.
How to adjust idle speed on Jaguar XJ6 SIII?
Everyone who tried to adjust the idle speed on a XJ6 SIII knows that it’s rather difficult to get at the adjuster screw because the air flow meter is in the way. If you take the air flow meter out, you can reach the adjuster but the engine doesn’t run, so no idle adjustment can be carried out.
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.
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.
What kind of engine does a 1994 Jaguar XJS have?
1994 Jaguar XJS Convertible This all original 1994 Jaguar XJS 4.0 convertible is in terrific condition. Powered by a 6 cylinder engine and automatic transmission. It has leather seats and a very… More Info ›
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 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
What happens if the purge valve is not working?
There are sensors which detect when the purge valve is working. But if there are no signals coming from the purge valve anymore, this will indicate to the sensors that the valve must be damaged. The sensors will then relay this information back to the engine control unit, which will result in the Check Engine warning being given to you.
What’s the best way to turn the XJRs?
On the XJRS it is best to turn the bush through 90 degrees, so that the line through the two holes in the bush runs at right angles to the length of the car as opposed to parallel as is normally the case.
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.
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 was the last year the Jaguar XJS was made?
The final version included a rust-proofed body, a new style for the grill, rear lights and rear windows. Other popular features were power windows, locks and climate control as well as a new interior design. After 21 years of production the XJS was discontinued in 1996 and replaced by the XK8.
Why is my Jaguar XJS not filling up?
According to the bulletins, the only solution should be delivered by the car dealer and it is to reroute the vehicles piping to release overstressed conditions that cause the hose joint to break and allow out fuel.