2003 Mitsubishi Lancer: Engine Specs & Service Intervals

2003 Mitsubishi Lancer Engine Specs

The 2003 Mitsubishi Lancer is a compact sedan that offers a reliable and efficient engine for everyday driving. Let’s take a closer look at the engine specifications of this model.

Engine Configuration

The 2003 Mitsubishi Lancer comes with two engine options: a 2.0-liter four-cylinder engine and a high-performance 2.0-liter turbocharged four-cylinder engine. Here are the details:

• 2.0-liter Four-Cylinder Engine:
  • Engine Type: Inline-4
  • Displacement: 2.0 liters
  • Horsepower: 120 hp
  • Torque: 130 lb-ft
  • Valvetrain: DOHC (Dual Overhead Camshaft)
  • Fuel Delivery: Multi-Point Fuel Injection
• 2.0-liter Turbocharged Four-Cylinder Engine (Lancer Evolution):
  • Engine Type: Inline-4
  • Displacement: 2.0 liters
  • Horsepower: 271 hp
  • Torque: 273 lb-ft
  • Valvetrain: DOHC (Dual Overhead Camshaft)
  • Fuel Delivery: Turbocharged with Intercooler

Engine Oil Specs & Service Intervals

Proper engine oil maintenance is crucial for the longevity and performance of your 2003 Mitsubishi Lancer. Here are the recommended engine oil specifications and service intervals for this model:

• Engine Oil Type: It is recommended to use a high-quality synthetic or conventional engine oil with a viscosity grade of 5W-30.
• Oil Capacity: The 2.0-liter engine has an oil capacity of approximately 4.2 quarts (including the oil filter).

Service Intervals:

• Oil Change: It is recommended to change the engine oil and oil filter every 3,000 to 5,000 miles or every 3 to 6 months, whichever comes first. Regular oil changes help maintain engine performance and prolong its life.
• Oil Filter Replacement: The oil filter should be replaced during each oil change to ensure proper filtration and prevent contaminants from circulating in the engine.
• Fluid Checks: Regularly check the engine coolant, brake fluid, power steering fluid, and transmission fluid levels to ensure they are at the recommended levels. Top up or replace fluids as necessary.
• Spark Plug Replacement: Spark plugs play a vital role in the combustion process. It is recommended to replace them every 30,000 to 60,000 miles or as specified in the owner’s manual.
• Air Filter Replacement: The air filter should be inspected regularly and replaced if dirty or clogged. A clean air filter ensures optimal engine performance and fuel efficiency.
• Timing Belt Replacement: The timing belt should be replaced at the recommended interval, typically around 60,000 to 100,000 miles. A worn-out timing belt can cause engine damage if it fails.

Detailed Engine Specifications

In conclusion, the 2003 Mitsubishi Lancer offers a choice between a standard 2.0-liter four-cylinder engine and a high-performance turbocharged 2.0-liter engine in the Lancer Evolution model. Proper engine oil maintenance, including regular oil changes and filter replacements, is essential to keep the engine running smoothly. Additionally, staying on top of fluid checks, spark plug and air filter replacements, as well as timing belt maintenance, will help ensure optimal performance and longevity for your 2003 Mitsubishi Lancer.