1984 Jaguar Xjs problems

Common 1984 Jaguar Xjs problems

The Jaguar XJS, produced from 1975 to 1996, is known for its luxurious grand tourer capabilities, but also has a reputation for several common issues. These problems can be grouped into electrical issues, engine problems, suspension and steering issues, and transmission issues.

• Electrical Issues:
  • Faulty alternators and batteries
  • Malfunctioning fuel pumps and injectors
  • Electrical arcing or sparks
  • Smoke wafting up from the engine compartment

• Engine Problems:
  • Overheating and coolant leaks
  • Valve and piston failures
  • Oil leaks and low oil pressure
  • Injectors staying wide open and flooding the engine
  • Random pulsing of injectors in no rhythm

• Suspension and Steering Issues:
  • Worn out suspension components
  • Steering rack and power steering pump failures

• Transmission Issues:
  • Gear slippage and transmission fluid leaks
  • Torque converter failures

These issues can be further categorized by year and model, as well as by the type of engine installed in the vehicle. For example, the 1984 Jaguar XJS 5.3-liter V12 may have specific problems related to its window motor/regulator assembly, windshield wiper motor, valve cover gasket, or fuel injection system.

Electrical issues are a common complaint among Jaguar XJS owners, with problems ranging from faulty alternators and batteries to malfunctioning fuel pumps and injectors. These issues can lead to the engine starting and stopping intermittently, or the engine dying out when the gas pedal is touched.

Engine problems are another area of concern for Jaguar XJS owners. Overheating, coolant leaks, valve and piston failures, oil leaks, and low oil pressure are all common issues.

Suspension and steering issues are less common but still present in the Jaguar XJS. Worn out suspension components and steering rack or power steering pump failures can lead to a less than optimal driving experience.

Transmission issues are a significant concern for Jaguar XJS owners, with gear slippage, transmission fluid leaks, and torque converter failures being reported. These issues can be expensive to repair, so prompt attention is recommended.

It's important to note that the Jaguar XJS has undergone several updates and improvements over its 21-year production run, which may affect the frequency and severity of these common issues. Regular maintenance and prompt attention to any problems can help ensure a long and enjoyable ownership experience.

What are the problems with Jaguar XJ-S?

The engine is divided into two banks, separated by the ignition system. The rotor is prone to breakage, and the result is that your engine won't get a spark, and your catalytic converter will get hot while being filled with combustible air. If ignored, the catalytic converter will set the car on fire.

Why is the XJS so cheap?

The Jaguar XJ-S was built from 1975-96 and was the most affordable mass-produced V-12 sports car ever built. But owners constantly balanced enjoyment and aggravation, which has depressed prices to bargain levels. Stiffer emissions and safety regulations demanded a new kind of Jaguar sports car in the 1970s.

Is the XJS reliable?

The XJ finished top in the luxury car class in our most recent reliability survey, with an excellent overall score of 94.3%.

What is a 1984 Jaguar XJ-S worth?

The Jaguar XJS 1984 prices range from $6,600 for the basic trim level Coupe XJS H.E. to $9,350 for the top of the range Coupe.

1984 Jaguar Xjs car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Jaguar Xjs problems, we found that the most common problems with these 2023 model year vehicles are:

• Fuel system problems
• Gasoline problems
• Electrical system problems
• Vehicle speed control problems

The graph below shows statistics for all 1984 Jaguar Xjs vehicle components and the number of complaints received.