What is 1gr-fe?

1GR-FE Engine Information

The 1GR-FE is a 4.0 L (3,956 cc) V6 piston engine from Toyota's GR engine family. It is a widely used engine, found in various Toyota and Lexus vehicles, including SUVs, trucks, and some sedans (primarily in specific markets). It's known for its reliability and decent power output, making it a popular choice for vehicles needing a balance of performance and dependability.

Key characteristics include:

  • Configuration: V6 (6 cylinders in a V configuration)
  • Displacement: 4.0 liters (3,956 cc)
  • Valvetrain: Typically Dual Overhead Camshafts (DOHC) with 4 valves per cylinder (24 valves total)
  • Technology:
    • Variable Valve Timing (VVT-i) which improves <a href="https://www.wikiwhat.page/kavramlar/fuel%20efficiency">fuel efficiency</a> and <a href="https://www.wikiwhat.page/kavramlar/engine%20performance">engine performance</a>.
    • Some versions might have Dual VVT-i (Dual Variable Valve Timing-intelligent)
  • Fuel System: Sequential Multiport Fuel Injection (SFI)
  • Material: Aluminum alloy cylinder heads and engine block.
  • Output: Horsepower and torque figures vary depending on the specific application and model year, but generally range from approximately 236 to 285 horsepower and 266 to 289 lb⋅ft of torque.
  • Applications: Found in:
    • Toyota 4Runner
    • Toyota FJ Cruiser
    • Toyota Tacoma
    • Toyota Tundra
    • Toyota Land Cruiser Prado
    • Lexus GX 470
  • Known Issues: While generally reliable, some potential issues to be aware of may include:
    • <a href="https://www.wikiwhat.page/kavramlar/Head%20gasket%20leaks">Head gasket leaks</a> (less common than some other engines).
    • Potential for <a href="https://www.wikiwhat.page/kavramlar/oil%20leaks">oil leaks</a> as the engine ages.
    • Carbon buildup on the intake valves (especially on engines with higher mileage).

It's a robust and dependable engine that can last a long time with proper maintenance, including regular <a href="https://www.wikiwhat.page/kavramlar/oil%20changes">oil changes</a> and addressing any issues promptly.