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The N series is Honda's first automotive diesel engine, an inline-four for medium-sized vehicles. It uses common rail direct injection, which Honda brands as i-CTDi (Intelligent Common-rail Turbocharged Direct injection). The most notable feature is the aluminium block, which uses proprietary technology in the manufacturing process to provide light weight and high rigidity. Roller chains drive two overhead camshafts. A variable-geometry turbocharger and intercooler are used.

Honda N engine
Overview
Manufacturer	Honda
Layout
Configuration	Inline-4
Displacement	1.5–2.2 L (1,498–2,204 cc)
Cylinder bore	76 mm (2.99 in) 85 mm (3.35 in)
Piston stroke	88 mm (3.46 in) 96.9 mm (3.81 in) 97.1 mm (3.82 in)
Block material	Aluminium
Head material	Aluminium
Valvetrain	DOHC 4 valves x cyl. with i-DTEC
Compression ratio	13.7:1-16.7:1
RPM range
Redline	5800
Combustion
Turbocharger	Single or Twin Honeywell variable geometry with intercooler
Fuel system	Common rail Direct injection
Fuel type	Diesel
Cooling system	Water-cooled
Output
Power output	101–196 PS (74–144 kW; 100–193 hp)
Torque output	200–415 N⋅m (148–306 lb⋅ft)

N15A1

The i-DTEC engine uses a 2-Stage turbocharger from Wastegate Type & Variable Geometry Turbocharger (VGT) left/right. It enables strong power from about 1,500 rpm. With Diesel particulate filter (DPF), Start-stop system, Exhaust gas recirculation system (EGR) & Small Size Intercooler.

Specifications

• Bore & Stroke: 76 mm × 82.5 mm (2.99 in × 3.25 in)
• Cylinder Layout: inline 4
• Displacement: 1.5 L (1,498 cc)
• Valve Configuration: 16-valve DOHC
• Type: i-DTEC
• Compression ratio: 16.0:1
• Max boost: 13.5 psi (0.93 bar)
• Max power: 100 hp (75 kW; 101 PS) at 3600 rpm
• Max torque: 200 N⋅m (148 lb⋅ft) at 1750 rpm
• Redline: 4500 rpm

Applications

• Honda City (2003–present)
• Honda Amaze (2013–present)
• Honda Jazz (2015–present)
• Honda Mobilio (2015–2018)
• Honda BR-V (2015–2020)
• Honda WR-V (2016–present)

N16A1/N16A2/N16A3

The i-DTEC engine uses a single turbocharger from Wastegate Type & Variable Geometry Turbocharger (VGT). It enables strong power from about 1,500 rpm. With Diesel particulate filter (DPF), IDLE STOP SYSTEM, Exhaust gas recirculation SYSTEM (EGR) & Small Size Intercooler.

Specifications

• Bore & Stroke: 76 mm × 88 mm (2.99 in × 3.46 in)
• Cylinder Layout: inline 4
• Displacement: 1.6 L (1,598 cc)
• Valve Configuration: 16-valve DOHC
• Type: i-DTEC
• Compression ratio: 16.0:1
• Max boost: 13.5 psi (0.93 bar)
• Max power: 118 hp (88 kW; 120 PS) at 4000 rpm
• Max torque: 300 N⋅m (221 lb⋅ft) at 2000 rpm
• Redline: 4500 rpm

Applications

• N16A1
  • Honda Civic (FK3)
• N16A2
  • Honda CR-V (RE6, Europe)
  • Honda CR-V (RW7/RW8, India/Philippines)
• N16A3
  • Honda HR-V (RU8)

N16A4

This is an uprated version of the N16 noted above having 2 turbochargers. Details are similar, except for:

• Max power: 158 hp (118 kW; 160 PS) at 4000 rpm
• Max torque: 350 N⋅m (258 lb⋅ft) at 2000 rpm

Applications

• Honda CR-V (RE6, Europe)
• Honda CR-V (RW7/RW8, Thailand)

N22A

The i-CTDi engine uses a variable-nozzle turbocharger from Honeywell. It enables strong power from about 1,500 rpm.[1] This Honda engine is apparently exclusive for European markets where Honda could operate.

Specifications

• Bore & Stroke: 85 mm × 97.1 mm (3.35 in × 3.82 in)
• Cylinder Layout: inline 4
• Displacement: 2.2 L (2,204 cc)
• Valve Configuration: 16-valve DOHC
• Type: i-CTDi
• Compression ratio: 16.7:1
• Max boost: 13.5 psi (0.93 bar)
• Max power: 140 PS (103 kW; 138 hp) at 4000 rpm
• Max torque: 340 N⋅m (251 lb⋅ft) at 2000 rpm
• Redline: 5000 rpm

• Accord (CN1) (2002–08)
• Accord Tourer (CN2) (2002–08)
• FR-V: (BE5)
• CR-V (RD9/RE6) (2004-09)
• Civic (FK3 / FN3) (2005-11)

N22B

Whilst the N22A has the intake 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. The N22A has exhaust on the rear of the engine.

Specifications

• Bore & Stroke: 85 mm × 96.9 mm (3.35 in × 3.81 in)
• Cylinder Layout: inline 4
• Displacement: 2.2 L (2,199 cc)
• Valve Configuration: 16-valve DOHC
• Type: i-DTEC
• Compression ratio: 16.3:1
• Max power: 150 PS (110 kW; 148 hp) at 4000 rpm
• Max torque: 350 N⋅m (258 lb⋅ft) at 2000 rpm

Meets Euro 5 emissions standards.

N22B2

High output; specifications based on Accord

Specifications

• Bore & Stroke: 85 mm × 96.9 mm (3.35 in × 3.81 in)
• Cylinder Layout: inline 4
• Displacement: 2.2 L (2,199 cc)
• Valve Configuration: 16-valve DOHC
• Type: i-DTEC
• Compression ratio: 16.3:1
• Max power: 180 PS (132 kW; 178 hp) at 4000 rpm or 196 PS (144 kW; 193 hp) at 4600 rpm on the 2007-2014 (Accord CU) Type S
• Max torque: 380 N⋅m (280 lb⋅ft) at 2000 rpm or 415 N⋅m (306 lb⋅ft) at 2400 rpm on the 2007-2014 (Accord CU) Type S
• Transmission: 6MT
• 0-100: 8.7 sec (7,9 Type S)
• Top speed: 240 km/h (150 mph)

"The 110 kW (150 PS; 148 hp) i-DTEC diesel engine is available with the five-speed automatic transmission only, while a six-speed manual gearbox is the sole choice in conjunction with the 132 kW (179 PS; 177 hp) high-output version. The new, uprated 2.2 i-DTEC turbo-diesel engine's impressive maximum power output is 132 kW (179 PS; 177 hp) at 4 000 r/min, together with 380 N⋅m (280 lb⋅ft) of torque, already on tap at 2 000 r/min. There are rare versions of the 2007-2014 Honda Accord (CU) Type S with 196 PS (144 kW; 193 hp) and 415 N⋅m (306 lb⋅ft). Linked to its six-speed manual gearbox, the Accord accelerates from rest to 100 km/h (62 mph) in 8,7 sec (7,9 in the Type S model), and manages a top speed of 220 km/h (140 mph). Combined cycle fuel consumption is a frugal 5.8 L/100 km (49 mpg_‑imp; 41 mpg_‑US), with an associated CO₂ emissions figure of 151 g (5.3 oz)/km.

In 110 kW (150 PS; 148 hp) form, the 2.2 i-DTEC, offered in automatic guise only, achieves the 0-100 km/h (62 mph) dash in 10,3 sec, while top speed comes to 207 km/h (129 mph). The combined cycle consumption comes to 6.5 L/100 km (43 mpg_‑imp; 36 mpg_‑US), while the CO₂ emissions figure is 170 g (6.0 oz)/km."[2]

See also

• Circle L engine
• List of Honda engines

References

External links

• Honda Motor Co. (Official)
• direction of the development of environmental technology and environmental technology diesel (Honda) Information Ministry of Economy

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