Jaguar XE: Diesel Engines and Common Issues

The Jaguar XE, a stylish and executive saloon, has been a popular choice for those seeking a blend of luxury, performance, and everyday usability. Launched in 2015, it quickly established itself as a strong contender in its segment, particularly appealing to professionals and those covering significant motorway mileage. A key aspect of its appeal lies in its powertrain options, and a common question among potential buyers and current owners is: "Is the Jaguar XE equipped with a diesel engine?" The answer is a resounding yes, with Jaguar Land Rover (JLR) introducing a new family of lightweight four-cylinder diesel and petrol engines designed to enhance performance while reducing emissions. These engines, which entered production in January 2015, were first fitted into the Jaguar XE. This article will delve into the specifics of these diesel engines and address some of the common issues that have been reported by owners since the XE's introduction.

The Ingenium Engine Family and Diesel Variants

Jaguar Land Rover's new Ingenium engine family represents a significant technological advancement. These four-cylinder units share a common bore, stroke, and cylinder spacing, with each cylinder offering 500cc. This modular design allows for the efficient development of both smaller and larger engines in the future, with three-cylinder and even straight-six configurations being theoretically possible. Crucially, these engines are versatile and can be adapted for front-wheel drive, rear-wheel drive, and all-wheel drive platforms. Both diesel and petrol variants within this family are equipped with turbochargers, direct injection, variable valve timing, and stop-start technology, all contributing to improved efficiency and reduced emissions. Common components and calibrations across the range also enable JLR to be more responsive to market demand.

The first engine from this new family to enter production was a 2.0-litre turbocharged diesel, designated as the AJ200D. Jaguar highlighted that friction within this unit had been reduced by an impressive 17% compared to the outgoing 2.2-litre diesel engine. This reduction in friction was achieved through several innovative technologies, including computer-controlled oil and water pumps, cam followers equipped with roller bearings, a balancer shaft also running on roller bearings, and electronically controlled piston-cooling jets. These advancements were aimed at maximising efficiency and minimising wear.

Common Jaguar XE Engine Problems

While the Jaguar XE has generally been well-received, like any vehicle, it has had its share of reported issues. Some of these affect a small number of owners, while others have led to recalls. It's important to note that many of these problems were more prevalent in earlier models (typically 2015-2017), and Jaguar has implemented updates and fixes over time. Prospective buyers, especially of used models, should be aware of these potential pitfalls.

1. Fuel Leaks

Fuel leaks have been one of the more significant issues reported by Jaguar XE owners, with reports dating back to 2016. One particular concern involves an under-bonnet fuel leak caused by a low-pressure hose carrying fuel to the fuel filter. This hose could become detached over time, leading to a fuel starvation issue for the engine. This not only resulted in a loss of engine power but could also adversely affect steering and braking efficiency due to the loss of hydraulic assistance. Models from 2016 and 2017 were most commonly affected, and owners were advised to contact a Jaguar dealership for inspection and potential fitting of a replacement fuel clamp.

Another fuel leak issue, which prompted a recall in 2017, involved the failure of the return hose and the fuel cooler, which are located under the car's floor. This problem was often noticeable due to a strong smell of fuel permeating the cabin and the development of small puddles on the floor. Given the significant fire risk associated with leaking fuel, prompt rectification of this issue is paramount.

2. Ingenium 2.0 Diesel Issues (204DTD Problems)

While problems have been reported across the XE range, the 2.0-litre diesel variant of the Ingenium engine has been cited as the source of the most frequent and sometimes severe issues. Specifically, problems with the 204DTD engine have been commonly reported, with some instances leading to complete engine failure. This engine is also found in some Land Rover vehicles due to shared production facilities.

Both single and twin-turbocharged versions of this engine have seen a higher-than-expected rate of turbocharger failures. Blocked intake valves and cylinders, along with issues with fuel injectors, are also not uncommon. A particular concern is the build-up of soot and particles in the small space between piston rings and cylinder walls. This abrasive material can damage the inner lining of the cylinder, leading to total engine seizing in some cases and oil distribution problems. Owners have also reported engine timing failures, including snapped or stretched timing chains.

It's crucial to highlight that while the 2.0 diesel is particularly susceptible to some of these issues, the entire Ingenium engine line is sensitive to poor maintenance. Unlike some older, more established engine designs, Ingenium models require diligent servicing. JLR recommends oil changes and servicing every 10,000-15,000 miles, rather than the 21,000 miles suggested in some handbooks. Regular and thorough cleaning of carbon build-up is also recommended as a preventative measure, ideally with an inspection and cleaning between 10,000-18,000 miles.

3. Seatbelt Issues

Although seemingly minor, a seatbelt pre-tensioner issue in the Jaguar XE is potentially serious. The pre-tensioner is designed to tighten the seatbelt rapidly during an abrupt stop or collision, securing the occupant firmly. Two recalls have been issued concerning this component. The first applied to vehicles manufactured between February and December 2016, and the second affected XEs produced between September 2015 and March 2016. In both cases, the driver's seatbelt pre-tensioner could fail to lock, posing a significant safety risk.

4. Infotainment Software Bugs & Emissions Reporting

Jaguar's InControl Touch Pro infotainment system and its associated driving assist technologies offer a wealth of modern features, including touchscreen displays, satellite navigation, lane-keep assist, and departure warnings. However, the functionality of these systems relies heavily on the onboard software, which has experienced several bugs and required updates over its lifespan. Failure to keep the software up-to-date could lead to issues such as the instrument cluster malfunctioning.

Commonly reported problems with the XE's satellite navigation include software bugs leading to incorrect GPS alignment and failures in finding suitable routes. A software update is typically recommended to resolve these issues. Some owners have also reported poor audio quality from the premium Meridian sound system, with certain software releases (specifically 18B to 18D in 2018 and 2019) affecting the soundstage. Updating to the latest software version is advised.

Perhaps one of the more significant software-related issues, not exclusive to the XE but affecting many Jaguar Land Rover models, was the incorrect reporting of CO2 emissions. This failure led to thousands of recalls across the JLR range. Updates have since been rolled out to rectify this under-reporting of emissions.

5. Engine Start/Stop Problems

The engine start-stop system, designed to improve fuel economy and reduce emissions in urban driving, has also been a source of intermittent issues for some XE owners. This system automatically shuts down the engine when the vehicle is stationary and restarts it when the driver intends to move off. Owners have reported that the system works erratically or fails to function altogether, with issues particularly noted in earlier 2016 and 2017 models. Problems have been reported as early as a month after delivery. Diagnosis often points to poor battery connections, which can sometimes be resolved with a deep recharge using an external charger. Software updates aimed at improving battery management have also helped alleviate the problem for some.

6. Misty Windows

A relatively common complaint, particularly noticeable in temperatures of 5°C or below, is misty windows. This issue is often attributed to missing sealant or bulkhead grommets in some Jaguar XE models, leading to air leaks. Vehicles produced in 2016 were especially affected. The car's onboard management systems may struggle to properly regulate the interior cabin's air in the presence of these leaks. Another potential cause is a malfunctioning actuated HVAC valve, responsible for controlling the circulation of internal and external air. If this valve fails due to mechanical issues or software bugs, it can contribute to interior misting. These issues are generally considered rectifiable by a local garage or dealership with readily available replacement parts.

Is the Jaguar XE Worth Buying?

The Jaguar XE is often lauded as a reliable semi-luxury car that offers excellent value for money, especially when considering used examples that typically cost less than their German counterparts from Mercedes-Benz and BMW. It provides a comfortable and refined experience, making it ideal for long journeys and motorway commuting. Its aggressive styling and premium interior trim ensure it makes a strong impression.

Fuel economy is a strong point, with diesel models capable of achieving upwards of 55 mpg combined. For those seeking an affordable luxury saloon that excels in long-distance travel, the Jaguar XE is certainly a compelling option.

Is the Jaguar XE Safe to Drive?

Safety is a key consideration for any vehicle, and the Jaguar XE performs admirably in this regard. Despite its lightweight, unified aluminium chassis, it does not compromise on safety. The car has received an impressive 92% score for adult occupant protection in crash tests. Furthermore, the availability of advanced safety features such as lane-keep assist, automatic emergency braking, and parking sensors further enhances its safety credentials, making the XE a secure vehicle on the road.

How Long Will a Jaguar XE Last?

With appropriate maintenance, including oil changes every 10,000-15,000 miles, regular cleaning of carbon build-up, and careful driving habits, a Jaguar XE can achieve a lifespan of 150,000 miles and beyond. There are numerous reports from owners whose XE models have surpassed 200,000 miles and continue to perform strongly. Adhering to the recommended service schedule is crucial for maximising the longevity of the vehicle.

Conclusion

While the Jaguar XE has experienced some reported issues, particularly in its earlier production years, its excellent build quality and strong performance characteristics make it a desirable vehicle. Many of the common problems, such as fuel leaks and infotainment glitches, were addressed through recalls and software updates. For prospective buyers, it is often advisable to consider models manufactured from 2018 onwards, and ensuring all available software updates have been installed can preemptively resolve many potential issues.

To stay ahead of potential problems, an On-Board Diagnostic (OBD) scanner can be a valuable tool for diagnosing issues. These devices are relatively inexpensive and can provide insights into your car's health. Ultimately, consistent and diligent maintenance, adhering to the service schedule, is the most effective way to keep future issues at bay and ensure your Jaguar XE provides many years of enjoyable motoring.