Honda N engine

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The N series is Honda's first diesel engine. It is a four-cylinder common-rail diesel engine for medium-sized Honda vehicles. It features the ubiquitous Common-Rail Direct Injection configuration which Honda brands as their i-CTDi (Intelligent Commonrail Turbocharged Direct injection). The most notable feature is the aluminum block, which uses proprietary technology to the manufacturing process of the cylinder block, and provides both light weight and high rigidity. The valvetrain is a DOHC style with chain-driven camshafts. The Fuel System is a high-pressure (1600bar) Common rail direct injection type with a variable geometry turbocharger with intercooler.


The i-CTDi engine uses a variable-nozzle turbocharger from Honeywell. It enables strong power from about 1,500 rpm.[1]


  • Bore & Stroke: 85.0 mm x 97.1 mm
  • Cylinder Layout: inline 4
  • Displacement: 2204 cc
  • Valve Configuration: 16-valve DOHC
  • Type: i-CTDi
  • Compression ratio: 16.7:1
  • Max boost: 13.5 PSI (0.93 BAR)
  • Max power: 142 PS (104 kW; 140 hp) @ 4000 rpm
  • Max torque: 340 Nm @ 2000 rpm
  • Redline: 4500 rpm

  • Accord (CN1)
  • Accord Tourer (CN2)
  • FR-V: (Edix in Japan) (BE5)
  • CR-V (ED9/RE6)
  • Civic (FK3 / FN3)


Whilst the N22A has the exhaust ports on the front of the engine, the N22B has the new standard front intake/rear exhaust port configuration. The stroke has been slightly reduced to qualify for sub-2200 cc engine displacement, for tax and registration purposes in some jurisdictions.


  • Bore & Stroke: 85.0 mm x 96.9 mm
  • Cylinder Layout: inline 4
  • Displacement: 2199 cc
  • Valve Configuration: 16-valve DOHC
  • Type: i-DTEC
  • Compression ratio: 16.3:1
  • Max power: 150 PS (110 kW; 148 hp) @ 4000 rpm
  • Max torque: 350 Nm @ 2000 rpm

Meets Euro5 emissions standards.

See also[edit]


  1. ^ Aaron Gold. "Honda Civic 2,2 i-CTDi Diesel test drive". 

External links[edit]