···
Log in / Register

What engine is used in the JAC J7 (Jia Yue A5)?

5 Answers
Gabriella
07/24/2025, 05:16 AM

JAC J7 (Jia Yue A5) is equipped with a 1.5-liter turbocharged engine across all variants, delivering a maximum horsepower of 150 HP, a maximum power output of 110 kW, and a peak torque of 210 N·m. The specific engine model for the JAC J7 is HFC4GB2-4E, which incorporates i-VVT technology and utilizes multi-point electronic fuel injection. The engine block is entirely made of aluminum alloy. Below are additional specifications: 1. Body dimensions: The JAC J7 measures 477218201492 mm (lengthwidthheight). 2. Transmission: The JAC J7 offers a choice between a 6-speed manual transmission and a CVT continuously variable transmission.

Was this review help?
10
5
Share
StNathan
08/10/2025, 09:31 PM

I've been driving the JAC Jiayue A5 for over a year now. It's equipped with a 1.5-liter turbocharged gasoline engine made by JAC itself. The daily power is sufficient, acceleration is smooth, and overtaking on highways is effortless. I've also noticed it's quite fuel-efficient, averaging around 7.5 liters in the city, saving me a lot on monthly fuel costs. Maintenance is affordable too; I change the semi-synthetic oil every 5,000 kilometers, which costs just over 200 yuan. The car runs quietly, the seats are comfortable, and the rear space is spacious for family trips—the kids say it feels stable. However, the turbo lag is occasionally noticeable, with a slight delay in throttle response, so I recommend avoiding sudden acceleration to prolong its lifespan. Overall reliability is good, with no major issues, and it's easy for beginners to get used to.

Was this review help?
13
5
Share
Expand All
VanAbigail
09/24/2025, 10:42 PM

As a car enthusiast, I'm particularly fascinated by the JAC J7's engine. It's equipped with a 1.5T gasoline engine from JAC, delivering around 150 horsepower and 210 Nm of torque, which offers outstanding performance in its class. With direct injection technology, it achieves high combustion efficiency, resulting in both fuel economy and strong power output. Having test-driven it multiple times, I can attest to its quick start-up response, strong acceleration push, and effortless highway overtaking. For maintenance, just keep an eye on the oil temperature to avoid overheating and refrain from frequent full-load operation. The engine's compact design and lightweight construction contribute to better vehicle handling. For long-term ownership, I recommend regular inspections of turbo components and carbon deposit prevention to maintain optimal performance.

Was this review help?
11
0
Share
Expand All
SarahRose
11/07/2025, 11:50 PM

Our repair shop frequently handles JAC J7 (Jia Yue A5) cases, all equipped with 1.5T engines known for low failure rates and simple, easy-to-repair structures. I recommend owners change the engine oil regularly—5W-30 grade is sufficient—and have it checked every 5,000 kilometers. Common minor issues include loose wiring connectors or faulty sensors, which are quick and inexpensive to fix. Cold starts in winter are quiet, and avoiding prolonged idling can extend engine life. For used cars, watch out for bearing wear by listening for unusual noises. Overall maintenance costs are low, making it a practical choice for daily commuting.

Was this review help?
13
5
Share
Expand All
DelGrant
12/29/2025, 01:37 AM

From a cost-saving perspective, the 1.5T engine of the JAC Jiayue A5 is a wise choice, with excellent fuel consumption control averaging 7.5 liters per 100 kilometers, saving 30% on monthly fuel costs compared to larger displacement engines. The new car price is affordable, and its second-hand value retention is reliable—my neighbor sold his three-year-old car for half its original price. The engine is dependable with no major issues; only the spark plugs needed replacement, costing just a few dozen yuan. Saving money isn't just about the purchase price; taxes and insurance must also be considered. Smaller displacement engines enjoy lower tax rates, making vehicle maintenance more affordable, especially suitable for those on a tight budget.

Was this review help?
18
4
Share
Expand All
More Forum Discussions

What does the TC indicator on the dashboard mean?

When the dashboard displays TC, it indicates that the vehicle's Traction Control System is turned off. Here is an introduction to the Traction Control System: 1. The Traction Control System has a dedicated control button, usually located on the car's center console. It is possible that the owner accidentally pressed the button, and pressing it again will restore the system. 2. The function of the Traction Control System is to improve the tire's traction. When the car's tires start to slip, the Traction Control System sends a signal to the vehicle's computer, which then applies braking to the slipping wheel to prevent accidents. The Traction Control System not only enhances the vehicle's stability but also improves its traction. 3. The Traction Control System effectively protects the driver's safety. During driving, especially in rainy or snowy conditions, it can effectively prevent the car from slipping, adding an extra layer of safety. Although the car is equipped with this function, it is still important to drive cautiously and safely.
12
1
Share

What to Do When the Steering Wheel Is Locked and the Key Won't Start the Car?

Simply turn the steering wheel while twisting the key to ignite the engine. The steering wheel lock is a basic anti-theft feature designed for vehicle security. When the car is turned off, if the steering wheel is turned left or right or the wheels are not aligned properly, any applied force can cause the steering wheel to rotate, triggering the self-locking function. This results in the steering lock pin engaging with the steering column. Below are the reasons for the car's automatic lock: 1. Reason for automatic lock: The car's automatic lock is activated when the steering wheel is turned while removing the key after the last engine shutdown. 2. Purpose of the lock: The vehicle's security anti-theft system perceives a theft risk, prompting it to lock the steering system to prevent vehicle theft.
12
2
Share

What is the difference between a 1.2T and a 1.5L car engine?

1.2T refers to a turbocharged engine with a displacement of 1.2 liters, while 1.5L represents a naturally aspirated engine with a displacement of 1.5 liters. Here, T stands for turbocharged engine, and L denotes a naturally aspirated engine. The differences between a 1.2T and a 1.5L car engine are as follows: Different engines: The 1.5L is a naturally aspirated engine. Turbocharging is an advanced technology that makes the engine more fuel-efficient, environmentally friendly, and powerful compared to naturally aspirated engines. The 1.2T is a turbocharged, direct-injection engine. Turbocharging is an advanced technology that provides better fuel efficiency, environmental benefits, and stronger performance than naturally aspirated engines. Different fuel consumption and maintenance costs: Taking A-segment cars as an example, the 1.2T Corolla and the 1.5L Mazda3 both have a fuel consumption of slightly over 7L per 100 km. In terms of maintenance costs, there is not much difference between three-cylinder and standard four-cylinder engines. The main difference lies in the spark plugs—three-cylinder engines have one fewer than four-cylinder engines, making them significantly cheaper. The replacement cycles for other parts are basically the same for both three-cylinder and four-cylinder engines. Different horsepower: The 1.2T engine can provide around 100 horsepower, which is equivalent to the output of a naturally aspirated 1.6-1.8L engine. Additionally, the 1.2T is a turbocharged, direct-injection engine, while the 1.5L is a naturally aspirated engine. Turbocharging is an advanced technology that offers better fuel efficiency, environmental benefits, and stronger performance compared to naturally aspirated engines.
8
1
Share

What Causes the Battery Light to Illuminate?

A yellow light indicates insufficient battery power or complete discharge, while a red light signals a malfunction in the power supply system. Below is a detailed explanation of the reasons for the battery light illumination: 1. If the generator's output voltage is lower than the battery voltage, the generator is not functioning, or there is a fault in the power supply circuit, the car battery light will illuminate. In such cases, it is advisable to visit a repair shop to inspect the generator and charging circuit. 2. The battery light on the dashboard is a warning light indicating that the generator is not producing electricity. Normally, this light turns on when the ignition switch is set to the ON position and turns off after the engine starts. If the light remains on after starting the engine, it may indicate that the generator is not producing electricity or there could be an issue with the wiring, necessitating a visit to a service station for inspection. 3. Insufficient battery power can also cause the battery indicator light to illuminate. In this scenario, the vehicle can still be used because the battery can recharge via the internal generator while the car is in motion.
7
1
Share

What Causes a Heavy Gas Pedal?

Introduction to the causes of a heavy gas pedal: 1. It may be related to fuel quality, with a clogged fuel filter. 2. Check if the spark plugs are faulty. 3. A damaged sensor in the transmission locks the overdrive gear. 4. Issues with the engine's oil circuit, requiring cleaning of the oil circuit. Excessive carbon buildup in the vehicle's engine often manifests as a heavy gas pedal and slow acceleration when overtaking. Common areas prone to carbon buildup include the throttle body, combustion chamber, spark plugs, and fuel lines. Here are methods to address car carbon buildup: 1. Add fuel additives when refueling; 2. Disassemble and clean the engine; 3. Perform a fuel system cleaning with a drip method.
11
5
Share

Will long-term non-use of highways affect ETC functionality?

Long-term non-use of highways has minimal impact on ETC devices. Here are relevant details: 1. ETC Overview: The Chinese term translates to Electronic Toll Collection, which enables automatic tolling on highways or bridges. It utilizes dedicated short-range communication between the onboard unit installed on the vehicle's windshield and the microwave antenna in the ETC lane at toll stations, coupled with computer network technology for backend bank settlement processing. This allows vehicles to pay highway or bridge tolls without stopping. 2. Current ETC Development Status: ETC represents an internationally promoted electronic automatic toll collection system for roads, bridges, and tunnels. Traditional manual toll collection methods using IC cards or magnetic cards as media in highway networks are inevitably influenced by this technological trend.
4
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.