Toyota 1ZZ-FE 1.8L Engine Specs, Problems & Reliability

Toyota 1ZZ-FE 1.8L Engine

Here in this post, I have gathered information about the Toyota 1ZZ-FE 1.8L 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 1ZZ-FE 1.8L Engine from authentic sources.

This article, which has been updated, has all the information you require about the Toyota 1ZZ-FE 1.8L Engine.

For gasoline vehicles, Toyota offered the 1ZZ-FE, a 1.8-litre inline four-cylinder engine from the ZZ family.

Toyota 1ZZ-FE 1.8L Engine

Although it was first introduced in 1998 as a replacement for the older 1.8L 7A-FE engines, the manufacture of the model was halted in December 2007.

The Toyota Corolla and the Toyota Celica GT both have front-wheel drive, but the MR2 Spyder and the Elise both have rear-wheel drive and could use this engine.

In contrast to Toyota’s 7A-FE, which uses a cast iron block, the 1ZZ engine has a die-cast aluminium cylinder block with thin (2.0 mm thick), chill-fitted cast iron cylinder liners.

Lightweight connecting rods, pistons made from aluminium, and full-floating-type piston pins all come standard in the engine block, which is fitted with a forged crankshaft featuring five journals and eight balance weights.

Each of the cylinders in the engine’s twin-cam aluminium cylinder head has its own set of valves (16 valves total).

The valve seats of the 1ZZ cylinder head are covered with lasers. Intake valve dimensions are 32.0 mm in diameter with a 9.3 mm valve lift. Exhaust valve dimensions are 27.5mm in diameter with an 8.4mm lift.

Engine Specifications

Engine code1ZZ-FE
LayoutFour stroke, Inline-4 (Straight-4)
Fuel typeGasoline (petrol)
Displacement1.8 L, 1,794 cm3 (109.48 cu in)
Fuel systemMulti-Point Fuel Injection
Power adderBolt-on TRD supercharger kit is available on the 2003–2004
for Toyota Corolla, Matrix and Pontiac Vibe
Power output125 PS (92 kW; 123 HP) at 6,000 rpm
130 PS (96 KW; 129 HP) at 6,000 rpm
132 PS (97 KW; 130 HP) at 6,000 rpm
136 PS (100 KW; 134 HP) at 6,000 rpm
140 PS (103 KW; 138 HP) at 6,400 rpm
145 PS (107 kW; 143 HP) at 6,400 rpm
Torque output161 Nm (16.4 kg·m; 118.8 ft·lb) at 4,200 rpm
171 Nm (17.4 kg·m; 126.2 ft·lb) at 4,200 rpm
Firing order1-3-4-2
Dimensions (L x W x H):

Cylinder head

Valve Arrangement:DOHC, chain drive
Valves:16 (4 valves per cylinder)
Valve head diameter:INTAKE32.0 mm (1.2598 in)
EXHAUST27.5 mm (1.0827 in)
Valve length:INTAKE88.65 mm (3.4901 in)
EXHAUST88.69 mm (.4917 in)
Valve stem diameter:INTAKE5.470-5.485 mm (0.2153-0.2159 in)
EXHAUST5.465-5.480 mm (0.151-0.2157 in)
Valve spring free length:43.40 mm (1.7086 in)
Camshaft cam height:INTAKE44.333-44.433 mm (1.7454-1.7493 in)
EXHAUST43.761-43.861 mm (1.7229-1.7268 in)
Outer camshaft journal diameter:№134.449-34.465 mm (1.3563-1.3569 in.)
Other journals diameter22.949-22.965 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

Standard13.3 kg/m2 / 200 rpm
Minimun10.2 kg/m2 / 200 rpm
Compression differential limit between cylinders0.6 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-30, 10W-30
Oil type APISJ or higher
Engine oil capacity (Refill capacity)3.7 L (3.9 US. qt.)
Oil change interval, km (miles)5,000-10,000 (3,000-6,000)
Oil pressureIdle spped: 0.3 kg/cm3
At 3,000 rpm: 3.0-5.5 kg/cm3

Ignition system

Idle speed650±50 rpm
Ignition timing10-18° B.T.D.C.
Spark plugFor DIS-2DENSO: K16TR11
For DIS-4DENSO: K16R-U11 or NGK: BKR5EYA11
Spark plug gap1.1 mm (0.043 in)
Spark plug torque19 Nm (1.9 kg·m; 14.0 ft·lb)

Cylinder block

Cylinder block alloyAluminium
Compression ratio:10.0:1
Cylinder bore:79.0 mm (3.11 in)
Piston stroke:91.5 mm (3.60 in)
Number of piston rings (compression / oil):2 / 1
Number of main bearings:5
Cylinder inner diameter (standard):79.000-78.013 mm (3.1102-3.1107 in)
Piston skirt diameter (standard):78.925-78.935 mm (3.1072-3.1076 in)
Piston pin outer diameter:Mark A: 20.004-20.007 mm (0.7875-0.7876 in)
Mark B: 20.008-20.010 mm (0.7877-0.7878 in)
Mark C: 20.011-20.013 mm (0.7878-0.7879 in)
Piston ring side clearance:Top0.020-0.070 mm (0.0008-0.027 in)
Second0.020-0.070 mm (0.0008-0.0028 in)
Oil0.030-0.110 mm (0.0012-0.0043 in)
Piston ring end gap:Top0.25-0.35 mm (0.0098-0.0138 in)
Second0.35-0.50 mm (0.0138-0.0197 in)
Oil0.15-0.40 mm (0.0059-0.0157 in)
Crankshaft journal diameter:47.988-48.000 mm (1.8893-1.8892 in)
Crankpin diameter:43.992-44.000 mm (1.7319-1.7323 in)

Toyota 1ZZ-FE 1.8L Engine Problems

problems with Toyota 1ZZ-FE oil consumption

One of the major issues with the 1ZZ-FE 1.8L engine is its excessive oil consumption. A few problematic aspects of the design contribute to the problem of excessive oil use.

Piston and ring designs present the greatest challenge.

the smaller piston size necessitated by Toyota’s usage of larger ring sizes. Wear on the piston rings causes oil to leak through them.

  • 1+ quart of oil every 1,000 miles
  • Smoke from exhaust
  • Power loss

An Oil Leak in the Timing Chain Tensioner of a 1ZZ FE 1.8L Engine

The timing chain tensioner comes next, and its o-ring frequently leaks.

This is a minor problem in the broad scheme of things, but it has grown increasingly common in the older, higher-mileage 1ZZ engines that make up the vast majority of vehicles on the road today.

Oil leaks from the timing chain tensioner are quite easy and inexpensive to fix.

Oil leaks from the valve cover gasket and the timing chain tensioner may be mistaken for one another.

For similar reasons, the latter is now a common problem with engines of this vintage. O-rings, gaskets, and other seals degrade with age and use. Eventually, they’ll crack and leak oil.

  • Visible leak
  • Burning oil smells

Toyota 1ZZ-FE 1.8L Engine Reliability

How dependable is Toyota’s 1.8-litre inline-four, the 1ZZ-FE? We rate the 1ZZ’s dependability as about on par with that of other Toyota motors.

If not for the leaky piston rings and excessive oil consumption, this would be an excellent engine.

Now that the piston ring issues have been resolved, engines manufactured in 2006 and later are likely to have higher than normal dependability.

How effectively you care for your 1ZZ-FE engine is largely responsible for its dependability. Because of the problems with oil consumption, you should check the oil level frequently and add more if necessary.

Be sure to use high-quality fluids, keep up with regular fluid changes, and address issues as soon as possible.

If you follow these steps, driving a Toyota with a 1ZZ 1.8L engine will be a pleasant and dependable experience.

Toyota 1ZZ-FE 1.8L Engine Review

The four-cylinder, inline Toyota 1ZZ-FE 1.8L engine made its debut in 1998. Each cylinder of the DOHC engine has four valves. Toyota produced many different models of cars using the 1ZZ-FE engine, such as the Matrix, Prius, Celica, and Corolla. For a full review, please check this YouTube video Here.

Toyota 1ZZ-FE 1.8L Engine FAQ 

Is the 1ZZ-FE a good engine?

The 1ZZ-FE engine produces only 120–140 horsepower, so it’s not exactly a powerhouse.

If you’re looking for a compromise between dependability and fuel economy, the Toyota 1ZZ FE is a solid option. However, no engine is flawless, and this one is no different.

Are all 1ZZ-FE engines the same?

All of the engine’s moving elements are the same; however, the exhaust manifold, intake manifold, and electronic control unit (ECU) have somewhat different designs depending on the specific make, model, and year (PCM or ECM).

Is the Toyota 1.8 L engine good?

Toyota’s 1.8L 2ZR engine isn’t exactly known for its impressive performance. This motor, however, was built with simplicity and efficiency in mind, making it ideal for everyday commuter vehicles.

In general, it’s a reliable motor that performs its duties admirably.

How much oil does a 1ZZ-FE take?

It has a 4.4-quart capacity (with filter). The indicated capacity is for use with the revised dipstick, part number 15301-22050.

How long will the Toyota 1.8 engine last?

The typical lifespan of a Toyota engine is between 250,00 and 300,000 miles. This indicates that your Toyota model’s engine should last for between 16 and 20 years before showing signs of wear.

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