| Home / Car Engines / Honda Engines / Honda F22A2 |
Honda F22A2 Specifications
| Engine Model: Honda F22A2 |
| Engine Type: 4-cycle inline 4-cylinder SOHC 16-valve liquid-cooled gasoline |
| Total Displacement: 131.6 cu.in (2.15 L) |
| Rated Engine Power: 132 Hp (98 kW) at 5200 rpm |
| Fuel System Type: Multi-point electronic fuel injection |
____________________________________________________________________________________
- Honda F18B2 Engine Specifications
- Honda F18A3 Engine Specifications
- Honda F22B2 Engine Specifications
| General Technical Data |
The Honda F22A2 is a 2.2-liter inline-four, four-stroke, water-cooled gasoline engine developed as part of Honda's F-series family during the early 1990s. Known for its smooth operation, strong low-end torque, and high durability, the F22A2 served primarily in European and select global variants of the Honda Accord. The engine was engineered with an emphasis on refinement, fuel efficiency, and long service life.
With a cast-iron block for stiffness and an aluminum alloy cylinder head for efficient heat management, the F22A2 represents Honda's transition toward larger displacement four-cylinder engines optimized for mid-size vehicles. The single overhead camshaft design, four valves per cylinder, and electronically controlled fuel injection system work together to provide stable combustion, good throttle response, and ease of maintenance.
The firing order is 1-3-4-2, delivering
balanced firing impulses across the engine cycle. While not designed as
a high-performance variant, the F22A2 remains widely respected for
reliability, smoothness, and practicality.
The Honda F22A2 displaces 2156 cc (2.156 liters / 131.6 cubic inches).
Bore measures 85.0 mm (3.35 inches), and stroke is 95.0 mm (3.74
inches), forming a long-stroke configuration optimized for strong torque
output in the low and mid RPM ranges. The compression ratio is
approximately 8.8:1 depending on model year.
Power output is roughly 132 horsepower (98 kW / 134 PS) at about 5200 rpm, while torque reaches approximately 137 lb-ft (186 Nm) around 4000 rpm. Idle speed is generally maintained at 700 to 750 rpm. The crankshaft is supported by five main bearings, ensuring rotational stability and reduced vibration. Pistons are aluminum alloy with a three-ring arrangement for effective sealing and oil control. Connecting rods are forged steel for long-term durability.
The cylinder head houses a single overhead camshaft that actuates sixteen valves via rocker arms. Valve timing is controlled by a reinforced rubber timing belt. The engine is non-interference in most configurations, but proper belt replacement intervals are critical for reliability.
| Fuel System |
The F22A2 utilizes an electronically managed multi-point fuel injection system. Fuel is drawn from the tank by an electric in-tank pump, passed through a fuel filter, and delivered to the fuel rail supplying four solenoid-type injectors. Fuel pressure is regulated at approximately 300 kPa (43 psi).
The ECU analyzes inputs from sensors such as the throttle position sensor, manifold absolute pressure sensor, intake air temperature sensor, oxygen sensor, and engine coolant temperature sensor to adjust injector pulse width and maintain stable combustion.
The throttle body is cable-actuated and incorporates idle air control mechanisms for smooth cold starts and steady idling. The recommended fuel is unleaded gasoline with a minimum rating of 87 AKI (91 to 92 RON). Routine maintenance of the fuel system helps preserve fuel economy and throttle response.
| Lubrication System |
0The lubrication system is a full-pressure wet-sump design driven by a crankshaft-mounted trochoid oil pump. Oil is drawn through a pickup strainer, routed through a full-flow spin-on oil filter, and distributed to the crankshaft bearings, connecting rod journals, camshaft journals, and rocker arm components. Total oil capacity including the filter is approximately 4.3 liters (4.5 US quarts).
Recommended oil viscosity is SAE 5W-30 or 10W-30 depending on climate. Typical oil pressure at cruising speeds ranges from 300 to 400 kPa (44 to 58 psi). The PCV system maintains proper crankcase ventilation to reduce oil contamination and emissions. Regular oil and filter changes help ensure longevity of the engine’s internal components.
| Cooling System |
The cooling system is a forced-circulation, liquid-cooled design. The belt-driven centrifugal water pump moves coolant through the engine block, cylinder head, radiator, and heater core. Thermostat opening temperature is approximately 82 C (180 F), reaching full open near 95 C (203 F). Cooling system capacity typically ranges from 6.5 to 7.0 liters (6.9 to 7.4 US quarts).
System pressure is maintained by a radiator cap rated between 88 and 108 kPa. A 50/50 mixture of ethylene glycol and distilled water is recommended. Coolant should be replaced every 40,000 km (25,000 miles) or two years to preserve corrosion protection and thermal stability.
| Intake and Exhaust Systems |
0The intake system consists of a sealed airbox housing a dry paper air filter, an intake duct, and an aluminum intake manifold designed for torque stability. Air filter replacement is recommended every 20,000 km (12,400 miles).
The exhaust manifold is cast iron, engineered for durability and heat retention. Exhaust gases flow through a downpipe into a catalytic converter and then through resonators and mufflers to reduce exhaust noise. Oxygen sensors provide critical feedback for closed-loop fuel control.
| Ignition and Electrical System |
Ignition is managed by a distributor-based system mounted to the cylinder head and driven by the camshaft. The unit contains the ignition coil, pickup sensors, and advance mechanisms. The ECU refines ignition timing based on load, speed, and temperature. Spark plug specification generally includes NGK or Denso models with a gap of approximately 1.1 mm (0.043 inches).
Replacement intervals range from 20,000 to 40,000 km depending on plug material. The alternator typically produces 70 to 80 amperes, while the starter motor is a high-torque reduction type. The engine operates on a 12-volt electrical system.
| Valve Timing and Drive Mechanism |
The F22A2 uses a reinforced rubber timing belt to synchronize camshaft and crankshaft rotation. Replacement is recommended every 90,000 to 100,000 km (56,000 to 62,000 miles). Belt tension is regulated by a spring-loaded tensioner.
Proper alignment requires matching timing marks on the camshaft pulley and crankshaft sprocket. Because the engine may be interference depending on specific tolerances, timely belt replacement is essential to prevent valve damage.
| Dimensions and Weight |
Length: approximately 670 mm (26.4 inches)
Width: approximately 610 mm (24.0 inches)
Height: approximately 670 mm (26.4 inches)
Dry weight: approximately 135 to 150 kg (298 to 331 lbs)
| Maintenance Data |
Oil change: every 5,000 to 7,500 km (3,000 to 4,500 miles)
Air filter: every 20,000 km (12,400 miles)
Fuel filter: every 40,000 km (25,000 miles)
Coolant: every 40,000 km (25,000 miles) or two years
Spark plugs: every 20,000 to 40,000 km (12,400 to 25,000 miles)
Valve adjustment: every 40,000 to 50,000 km (25,000 to 31,000 miles)
Timing belt: every 90,000 to 100,000 km (56,000 to 62,000 miles)
| Tightening Torques |
Cylinder head bolts: stage 1 29 N-m (21 lb-ft), stage 2 59 N-m (44
lb-ft), plus 90 degrees
Main bearing cap bolts: 60 N-m (44 lb-ft)
Connecting rod bolts: 40 N-m (30 lb-ft) plus 90 degrees
Flywheel bolts: 85 N-m (63 lb-ft) plus 90 degrees
Crankshaft pulley bolt: 180 to 190 N-m (133 to 140 lb-ft)
Spark plugs: 18 N-m (13 lb-ft)
Oil drain plug: 40 N-m (30 lb-ft)
| Vehicle Applications |
The Honda F22A2 powered various Accord models during the early 1990s in European and select global markets. The engine was chosen for its smoothness, torque characteristics, and longevity.
____________________________________________________________________________________
| Car Engines Technical Specifications |
| Small Engines Technical Specifications |
| Industrial Engines Technical Specifications |
| Outboard Engines Technical Specifications |