Toyota 2NZ-FE 1.3L Engine Specs, Problems & Reliability

Toyota 2NZ-FE 1.3L Engine

Here in this post, I have gathered information about the Toyota 2NZ-FE 1.3L Engine from its official website, including its specifications, Problems, and Reliability.

We believe in providing reliable information to our readers, therefore we prefer to obtain information on the Toyota 2NZ-FE 1.3L Engine from authentic sources.

This article, which has been updated, has all the information you require about the Toyota 2NZ-FE 1.3L Engine.

The 2NZ-FE is the smallest of Toyota’s NZ family of gasoline inline four-cylinder engines at 1.3 litres. Since 1999, this powertrain has been standard in the Toyota Yaris/Echo, Porte, and other models in Toyota’s subcompact lineup.

Toyota 2NZ-FE 1.3L Engine

The 2NZ is quite similar to its smaller displacement sibling, the 1NZ-FE. The 2NZ-FE was recognized as the International Engine of the Year in the 1.0- to 1.4-litre class in 2000.

The 1.3L engine is based on the 1NZ and features an open-deck aluminium cylinder block with thin cast-iron liners. In order to decrease the engine’s cubic capacity, a new forged steel crankshaft with a stroke of 73.5 mm (2.89 in) was installed. 

The compression ratio is maintained by making the 1NZ engine block smaller than the 2NZ engine block. In all other respects, the 1NZ-FE and 2NZ-FE are virtually indistinguishable.

Low-friction pistons, forged steel connecting rods, and a crankshaft offset of 12 mm all contribute to improved efficiency (LFA).

An aluminium 16-valve cylinder head with double overhead chain-driven camshafts is mounted on top of the engine block. Intake camshafts with a VVT system allow for adaptable valve timing (VVT-i).

Engine Specifications

Engine code2NZ-FE
LayoutFour-stroke, Inline-4 (Straight-4)
Fuel typeGasoline (petrol)
Displacement1.3 L, 1,298 cm3 (79.21 cu-in)
Fuel systemElectronic Fuel Injection (EFI)
Power adderNone
Power output85.7 PS (63 kW; 84.5 HP) at 6,000 rpm
Torque output121 Nm (12.34 kg·m; 89.3 ft·lb) at 4,400 rpm
Firing order1-3-4-2
Dimensions (L x W x H):
WeightA/T: 84.8 kg (187 lb.), M/T: 92.5 kg (203.9 lb.)

Cylinder head

Valve Arrangement:DOHC, chain drive
Valves:16 (4 valves per cylinder)
Valve head diameter:30.5 mm (1.20 in)
25.5 mm (1.00 in)
Valve length:89.25 mm (3.5138 in)
87.90 mm (3.4606 in)
Valve stem diameter:4.970-4.985 mm (0.1957-0.1963 in.)
4.965-4.980 mm (0.1955-0.1961 in.)
Valve spring free length:45.05-45.15 mm (1.774-1.778 in.)
Camshaft cam height:44.617-44.717 mm (1.7566-1.7605 in.)
44.046-44.146 mm (1.7340-1.7380 in.)
Outer camshaft journal diameter:34.449-34.465 mm (1.3563-1.3569 in.)
22.949-22.965 mm (0.9035-0.9041 in.)

Valve clearance

Intake valve0.15-0.25 mm (0.006-0.010 in)
Exhaust valve0.25-0.35 mm (0.010-0.014 in)

Compression pressure

Standard14.0 kg/m2 / 200 rpm
Minimun11.0 kg/m2 / 200 rpm
Compression differential limit between cylinders1.0 kg/m2 / 200 rpm

Oil system

Oil consumption , L/1000 km (qt. per miles)up to 0.5 (1 qt. per 1200 miles)
Recommended engine oil5W-20, 5W-30, 10W-30
Oil type APISH or SJ
Engine oil capacity (Refill capacity)With filter change 3.7 l
Without filter change 3.4 l
Oil change interval, km (miles)5,000-10,000 (3,000-6,000)

Ignition system

Spark plugDENSO: K16R-U11, NGK: KBR5EYA-11
Spark plug gap1.1 mm (0.043 in)

Cylinder block

Cylinder block alloyAluminium
Compression ratio:10.5:1
Cylinder bore:75.0 mm (2.95 in)
Piston stroke:73.5 mm (2.89 in)
A number of piston rings (compression/oil):2 / 1
The number of main bearings:5
Cylinder inner diameter (standard):75.000-75.013 mm (2.9527-2.9528 in)
Piston skirt diameter (standard):74.945-74.955 mm (2.9506-2.9510 in)
Piston pin outer diameter:18.001-18.004 mm (0.7087-0.7088 in)
Piston ring side clearance:0.030-0.070 mm (0.0012-0.0027 in)
0.020-0.060 mm (0.008-0.0024 in)
0.070-0.150 mm (0.0027-0.0059 in)
Piston ring end gap:0.22-0.32 mm (0.0086-0.0125 in)
0.32-0.47 mm (0.0125-0.0185 in)
0.10-0.35 mm (0.0039-0.0138 in)
Crankshaft journal diameter:45.988-46.000 mm (1.8105-1.8110 in)
Crankpin diameter:39.992-40.000 mm (1.5745-1.5748 in)

Toyota 2NZ-FE 1.3L Engine Problems & Reliability

It’s hardly surprising that issues with 1NZ and 2NZ engines are similar. Oil leaks, excessive oil consumption beyond 150,000 kilometres, an unreliable timing chain, unsteady idling, and other difficulties are common. The 1NZ-FE difficulties provide more context for these questions.

Torque and power are two areas where the 1NZ engine falls short. It’s safe to assume that a tiny sedan like the Toyota Corolla lacks any semblance of dynamics if you can still do basic maneuvers in a subcompact hatchback powered by a 1.3-litre 1NZ engine. An engine with a 2NZ-FE rarely makes it past 125,000 miles (200,000 km) of use.

Toyota 2NZ-FE 1.3L Engine Review 

The 2NZ-FE Toyota 1.3L engine is an energy-efficient and reliable engine that has been utilized in various vehicles across the globe. It is a 1.3L inline-four engine that produces an 84 horsepower engine and 83 lb-ft of torque. For a full review, please check this YouTube video Here.

Toyota 2NZ-FE 1.3L Engine FAQ

How strong is 2NZ engine?

The 2NZ-FE model is a 1.3-liter, 1,299-cc iteration. There is a compression ratio of 10.5:1, and the bore and stroke measure 75 mm (2.95 in) and 73.  5 mm (2.89 in), respectively.

The maximum power is 63 kW (84 horsepower; 86 PS) at 6000 rpm, while the maximum torque is 121 Nm (89 lb-ft) at 4400 rpm.

What is the best engine oil for 2NZ engine?

Havoline (full synthetic) SAE 5W40 is what I use in my 2NZ-FE 1.3L engine instead of the specified 5W-30 or 10W-30. Here, we’ve measured temperatures as high as 41.2 C (106.2 F) and as low as 2.6 C (8.4 F) (36.6 F).

How strong is 2SZ engine?

the 1.3 L 2SZ-FE (1,298 cc). The compression ratio is 11.0:1, and the dimensions are 72 mm x 79.6 mm (2.83 in x 3.13 in) for the bore and stroke, respectively.

The power output is 64 kW (86 horsepower; 87 PS) at 6000 rpm, and the torque output is 122 Nm (90 lb-ft) at 4200 rpm.

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