ENGINE UNIT GENERAL


  1. OUTLINE


    1. The 1NR-FE engine is a 1.3-liter, 16-valve DOHC, in-line 4-cylinder gasoline engine.

    2. This engine uses the Dual VVT-i (Variable Valve Timing-intelligent) system, DIS (Direct Ignition System) and ETCS-i (Electronic Throttle Control System-intelligent). These systems achieve improved engine performance, fuel economy and clean emission.

      A0116TR
      A0116DR

  2. SPECIFICATION

    Engine Type 1NR-FE
    No. of Cyls. and Arrangement 4-cylinder, In-line
    Valve Mechanism 16-valve DOHC, Chain Drive (with Dual VVT-i)
    Combustion Chamber Pentroof Type
    Flow of Intake and Exhaust Gasses Cross-Flow
    Fuel System SFI
    Ignition System DIS
    Displacement

    1329 cm3(81.1 cu. in.)
    Bore x Stroke 72.5 mm X 80.5 mm (2.9 in. X 3.2 in.)
    Compression Ratio 11.5:1
    Max. Output (EEC) 72 kW @ 6000 rpm
    Max. Torque (EEC) 123 N*m @ 4400 rpm
    Valve Timing Intake Open 30°BTDC to 10°ATDC
    Closed 29° ABDC to 69°ABDC
    Exhaust Open 48°BBDC to 3°BBDC
    Closed 7°ATDC to 52°ATDC
    Firing Order 1 - 3 - 4 - 2
    Fuel Unleaded Gasoline
    Research Octane Number 95 or higher
    Oil Grade

    • API grade SL and energy-conserving

    • API grade SM and energy-conserving

    • ILSAC multigrade engine oil

    • API grade SL

    • API grade SM
    Emission Regulation EURO IV

    Engine Service Mass*

    (Reference)

    		 90 kg (198 lb)

    Tech Tips

    *: Weight shows the figure with oil and water fully filled.

    A0116BZE01

  3. MAIN FEATURES


    1. The 1NR-FE engine has achieved the following performance through the adoption of the items listed below.


      1. High performance and reliability

      2. Low noise and vibration

      3. Lightweight and compact design

      4. Good serviceability

      5. Clean emission and fuel economy

        Item (1) (2) (3) (4) (5)
        Engine Proper An aluminum cylinder block is used. ○
        An offset crankshaft is used. ○ ○ ○
        Spiny type liners are used. ○
        A taper squish shape is used for the top of the pistons. ○ ○
        Valve Mechanism A timing chain and chain tensioner are used. ○ ○
        Hydraulic lash adjusters are used. ○ ○
        Roller rocker arms are used. ○ ○
        The Dual VVT-i (Variable Valve Timing-intelligent) system is used. ○ ○
        Intake and Exhaust System A plastic intake manifold is used. ○
        A linkless type throttle body is used. ○ ○
        A DC motor type EGR valve is used. ○ ○
        A stainless steel exhaust manifold is used. ○
        TWCs (Three-Way Catalytic converters) are used. ○
        Fuel System 8-hole type fuel injectors are used. ○ ○
        A fuel returnless system is used. ○ ○
        Quick connectors are used to connect the fuel hoses and fuel pipes. ○
        Ignition System A DIS (Direct Ignition System) is used. ○ ○ ○
        Long-reach, thin-electrode type iridium tipped spark plugs are used. ○ ○ ○
        Engine Control System The ETCS-i (Electronic Throttle Control System-intelligent) is used. ○ ○
        MRE (Magnetic Resistance Element) type crank position and camshaft position sensors are used. ○
        The flat type knock sensor is used. ○