Let's dive deep into the heart of the Mitsubishi Grandis and Chariot – the engine! For car enthusiasts and owners alike, understanding the engine that powers your vehicle is super important. We're going to cover all the essential aspects of the Mitsubishi Grandis and Chariot engines, from their specifications to common issues and maintenance tips. So, buckle up and let’s get started!

Engine Options and Specifications

The Mitsubishi Grandis and Chariot have seen a range of engines throughout their production years. Understanding the different options can help you identify what’s under your hood. Primarily, these vehicles came with both gasoline and diesel engine variants, each designed to offer a balance of performance and efficiency. Knowing the specs can really help you when you're looking at replacement parts or troubleshooting issues.

Gasoline Engines

The gasoline engines in the Grandis and Chariot families were known for their smooth operation and decent power output. These engines were designed with fuel efficiency in mind, making them suitable for everyday driving. Here’s a breakdown:

• 2.4L 4G69 Engine: This is probably the most common gasoline engine you'll find in the Grandis. It's a 2.4-liter, four-cylinder engine known for its reliability and decent power. The 4G69 engine typically produces around 165 horsepower and 162 lb-ft of torque. It features a SOHC (Single Overhead Camshaft) design and utilizes MIVEC (Mitsubishi Innovative Valve timing Electronic Control system) technology to optimize engine performance and fuel efficiency. This engine is a solid choice for those who need a balance of power and economy.
• 3.0L 6G72 Engine: For those seeking more power, the 3.0-liter V6 6G72 engine was available in some models. The 6G72 engine delivers around 215 horsepower and 205 lb-ft of torque. It’s a robust engine that provides a more spirited driving experience. It is commonly found in older models of the Chariot. Its multi-point fuel injection system ensures smooth power delivery and relatively good fuel economy for its size. If you're after a bit more grunt, this V6 is the way to go.

Diesel Engines

The diesel engines offered in the Mitsubishi Grandis and Chariot are all about fuel efficiency and torque, making them ideal for long journeys and hauling loads. These engines are built to last, with robust construction and reliable performance. Here’s what you need to know:

• 2.0L 4D68 Engine: Found in some Chariot models, the 2.0L 4D68 engine is a turbo diesel known for its fuel efficiency. It generally produces around 88 horsepower and 145 lb-ft of torque. The 4D68 engine is a great option if you're prioritizing fuel economy and need a reliable workhorse. Its indirect injection system contributes to its efficiency, making it a popular choice for those who clock up a lot of miles.
• 2.0L 4N14 Engine: A more modern diesel option, the 2.0L 4N14 engine provides improved performance and efficiency. Power output is typically around 148 horsepower and 266 lb-ft of torque. This engine features common rail direct injection, which enhances fuel delivery and combustion, resulting in better power and reduced emissions. If you have a newer Grandis, chances are it might be equipped with this engine.

Common Engine Problems

Like any car, the Mitsubishi Grandis and Chariot can face some common engine problems over time. Knowing these issues can help you diagnose and address them quickly, saving you time and money. Let's take a look at some typical issues:

4G69 Engine Issues

• Oil Leaks: The 4G69 engine is known to develop oil leaks, especially around the valve cover gasket and the oil pan. Regular checks and timely replacement of gaskets can prevent major issues. Keep an eye on your driveway for any telltale signs of oil drips.
• MIVEC System Problems: The MIVEC system can sometimes malfunction, leading to reduced engine performance and fuel efficiency. Symptoms include rough idling, decreased power, and error codes related to the MIVEC system. Regular maintenance and occasional cleaning of the MIVEC solenoid can help prevent these problems.
• Cooling System Issues: Overheating can be a problem if the cooling system isn't properly maintained. Check the coolant levels regularly, and inspect the radiator and hoses for leaks or damage. Replacing the thermostat and water pump at recommended intervals is also a good idea.

6G72 Engine Issues

• Timing Belt Problems: The 6G72 engine uses a timing belt, which needs to be replaced at specified intervals (usually around 60,000 miles). Failure to do so can lead to catastrophic engine damage. Listen for any unusual noises from the engine, which could indicate a worn timing belt.
• Valve Train Noise: Due to its age, the 6G72 engine can sometimes develop valve train noise, such as ticking or tapping sounds. This could be due to worn valve lifters or other valve train components. Regular oil changes and using the correct oil viscosity can help minimize these issues.
• Fuel Injector Problems: The fuel injectors in the 6G72 engine can become clogged over time, leading to poor engine performance and fuel economy. Using fuel injector cleaner periodically can help keep the injectors clean and functioning properly.

Diesel Engine Issues (4D68 and 4N14)

• Turbocharger Problems: Diesel engines with turbochargers, like the 4D68 and 4N14, can experience turbocharger issues such as leaks, failures, or decreased performance. Regular inspection of the turbocharger and associated hoses can help catch problems early.
• Fuel System Problems: Diesel fuel systems are sensitive to contamination, which can lead to clogged fuel filters and injector problems. Regular fuel filter replacements and using high-quality diesel fuel can help prevent these issues.
• EGR Valve Issues: The EGR (Exhaust Gas Recirculation) valve can become clogged with carbon deposits, leading to poor engine performance and increased emissions. Cleaning the EGR valve periodically can help maintain optimal engine function.

Maintenance Tips for Longevity

Keeping your Mitsubishi Grandis or Chariot running smoothly requires regular maintenance. Here are some essential maintenance tips to extend the life of your engine:

• Regular Oil Changes: Stick to the manufacturer's recommended oil change intervals. Using the correct type of oil is crucial for engine lubrication and cooling. Always check your owner's manual for the recommended oil type and viscosity.
• Check and Replace Filters: Regularly replace the air filter, fuel filter, and oil filter. Clean filters ensure that the engine receives clean air and fuel, preventing contaminants from causing damage.
• Inspect Belts and Hoses: Check the belts and hoses for cracks, wear, and leaks. Replace them as needed to prevent breakdowns. A broken belt can leave you stranded, so it's best to stay proactive.
• Cooling System Maintenance: Flush and refill the cooling system every few years to prevent corrosion and overheating. Use the recommended coolant type to protect the engine components.
• Check and Clean the Battery: Keep the battery terminals clean and corrosion-free. Ensure the battery is securely mounted and properly charged. A healthy battery is essential for starting the engine reliably.
• Monitor Engine Performance: Pay attention to any changes in engine performance, such as unusual noises, vibrations, or decreased fuel efficiency. Address any issues promptly to prevent them from escalating into major problems.

Upgrading Your Engine

If you're looking to boost the performance of your Mitsubishi Grandis or Chariot engine, there are several upgrade options available. However, it’s important to consider the costs and benefits before making any modifications.

Performance Chips and Tuning

• ECU Remapping: Tuning the engine's ECU (Engine Control Unit) can optimize performance and fuel efficiency. This involves adjusting parameters such as fuel injection, ignition timing, and turbocharger boost (if applicable). Professional tuning can unleash hidden power and improve throttle response.
• Performance Chips: Installing a performance chip can also improve engine performance. These chips modify the ECU's programming to enhance horsepower and torque. However, make sure to choose a reputable brand and ensure that the chip is compatible with your engine.

Exhaust System Upgrades

• Cat-Back Exhaust Systems: Upgrading to a cat-back exhaust system can improve exhaust flow, resulting in increased horsepower and torque. These systems typically include a high-flow muffler and larger diameter pipes.
• Headers and Downpipes: Replacing the exhaust headers and downpipes can further improve exhaust flow. Headers are designed to collect exhaust gases more efficiently, while downpipes connect the headers to the rest of the exhaust system.

Forced Induction

• Turbocharger Upgrades: For diesel engines, upgrading the turbocharger can significantly increase power output. A larger turbocharger can force more air into the engine, resulting in higher horsepower and torque figures. However, this upgrade may require additional modifications to the fuel system and engine internals.
• Supercharger Kits: Although less common, supercharger kits can also be installed to increase engine power. Superchargers provide instant boost and can deliver impressive performance gains. These kits typically include all the necessary components for installation.

Intake Upgrades

• Cold Air Intakes: Installing a cold air intake can improve airflow to the engine, resulting in increased horsepower and torque. Cold air intakes draw cooler air from outside the engine bay, which is denser and contains more oxygen.
• Throttle Body Spacers: Throttle body spacers can improve airflow and throttle response. These spacers create a swirl effect in the intake manifold, which can enhance combustion efficiency.

Conclusion

Understanding the engine in your Mitsubishi Grandis or Chariot is key to keeping it running smoothly for years to come. Whether you have a gasoline or diesel engine, knowing the common issues and maintenance tips can save you time and money. And if you're looking to upgrade your engine, there are plenty of options available to boost performance. So, take care of your engine, and it will take care of you!