Toyota 4.0 liter firing order and spark plug gap — 1GR-FE

Toyota 4.0 liter 1AR-FE firing order and spark plug gap

Here is a Toyota 4.0 liter firing order engine layout diagram

If you’re doing a tune-up, you’ll need the Toyota 4.0-liter firing order engine layout diagram

Toyota 4.0 liter spark plug gap

Gap  1.0 – 1.1 mm (0.039 – 0.043 in)
Torque  20 Nm (15 lb-ft)
DENSO K20HR-U11
NGK LFR6C-11
NOTE: Spark plug number, gap and torque may vary by model year. Confirm with your owner’s manual or shop manual

Toyota 4.0 liter engine specifications

Cylinder block material Aluminum
Cylinder head material Aluminum
Fuel type Gasoline
Fuel system Fuel injection
Configuration V
Number of cylinders 6
Valves per cylinder 4
Valvetrain layout DOHC
Bore, mm 94.0 mm (3.7 in)
Stroke, mm 95.0 mm (3.74 in)
Displacement, cc 3,956 cc (241.4 cu in)
Type of internal combustion engine
Four-stroke, naturally aspirated
Compression Ratio 10.0:1 10.4:1 – Dual VVTi version
Power, hp 236-285 hp (176-210 kW)/5,200-5,600
Torque, lb ft 266-285 lb-ft (361-387 Nm)/3,600-4,400
Engine weight 366 lbs (166 kg)
Firing order 1-2-3-4-5-6

Toyota 4.0 liter engine oil specifications

5W-30
Engine oil capacity, liter 5.2 (5.5 quarts)
Oil change interval, mile 6,000 (10,000 km) or 12 month

Toyota 4.0 Engine Applications

Toyota 4Runner/Hilux Surf

Toyota FJ Cruiser
Toyota Hilux
Toyota Land Cruiser 200
Toyota Land Cruiser Prado 120/150
Toyota Tacoma
Toyota Tundra
Toyota Fortuner
Lexus GX 400

Toyota 4.0 Engine Reliability

• Head gasket failure on high mileage engines. (above 150,000). Change coolant on time and pay attention to radiator and cooling systems to prevent overheating.

• Early water pump failure

• Ignition coil failure

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