What are the problems with the Jaguar XJ engine?

What are the problems with the Jaguar XJ engine?

The heater core problem has been well documented due to the aluminum built which tends to block the water flow. Belt squeak on startup. Change 2 belts. This included blower motor belt. eKnock sensor went bad. located under supercharger, which had to be removed. Two on engine, one bad, both changed. Lean code. Unable to find it.

How old is the V8 engine in a Jaguar XJ?

Over the engine’s 12-year lifespan, Jaguar was constantly improving the AJ-V8 with better parts and software calibrations. However, in some cases, the changes in the engines were not consistent with the XJ, S-Type and XK in those same model years.

What kind of engine did the Jaguar 4.2 have?

At best the 4.2 litre Jaguar/Daimler engine block could be described as suspect and its quality further declined throughout its production. It was designed in the early 1960s to give more torque and better low to mid range performance than the 3.8 litre engine, which it genuinely did.

How much does it cost to repair a Jaguar XJ?

The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance. 385-horsepower 5.0L V8 6-speed shiftable automatic RWD Coolant line went again about 1K miles later, was not repaired properly. Engine lost oil pressure. Metal in filter. Installed complete used engine.

What kind of engine does a Jaguar XJ have?

The Series I thru Series III XJ’s are what many consider to be the definitive modern Jaguar sedans. The engine most commonly found in these models was the 4.2L inline 6 cylinder engine derived from the classic Jaguar XK racing motor. Other engines which were offered included the 2.8L and 3.4L inline 6 and the glorious 5.3L V12.

What’s the problem with the Jaguar 3.6 engine?

There is a common fault that afflicts early 3.6 XJ-Ss (1983-87) running on the Lucas 8CU EFI system causing excessive richness and poor running in light and closed throttle conditions. The accompanying note describes the problem and its solution. Racing options

Are there any problems with the Jaguar XJ?

Rear tyres replaced c 18000 and expensive Extremely reliable. Very powerful with turbo as precise time when needed. For the size of car and model it has a reasonable cost base. Only fuel. By choice I use Shell VPower.

What’s the difference between Jaguar XJ and XJR?

The XJR’s supercharged engine gained a new engine management setup, a ‘drive by wire’ throttle body and exhaust gas recirculation although power output remained unchanged.