The 2.3-liter Suzuki J23A gasoline engine was produced by the concern from 2004 to 2007 and was installed on the American version of the Aerio sedan, that is, one of the varieties of Liana. This power unit is often used for a budget swap for other company models.
J-series family: J18A, J20A, J20B, J23A, J24B.
Specifications
| Production years | 2004-2007 |
| Displacement, cc | 2290 |
| Fuel system | distributed injection |
| Power output, hp | 155 – 158 |
| Torque output, Nm | 206 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 90 |
| Piston stroke, mm | 90 |
| Compression ratio | 9.3 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.7 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Suzuki Aerio 2005) — city — highway — combined |
10.4 7.6 8.7 |
| Engine lifespan, km | ~270 000 |
| Weight, kg | 125 |
The engine was installed on:
- Suzuki Aerio 1 (ER) in 2004 – 2007.
Disadvantages of the Suzuki J23A engine
- The main problem here is oil consumption due to hardened valve stem seals.
- Also, the culprit of the oil burner can be wear and tear of the oil scraper rings.
- Timing chains and especially their hydraulic tensioners are not very high resource.
- Many problems are delivered to the owner by regular failures in the ignition system.
- Another weakness of this power unit include its short-lived supports.
Frequently asked questions about the Suzuki J23A
How much power does the Suzuki J23A make?
The Suzuki J23A develops 155 - 158 hp and 206 Nm of torque.
How much oil does the Suzuki J23A take and which one?
Engine oil capacity: 4.7 liters. Recommended oil: 5W-30.
Does the Suzuki J23A have a timing belt or chain?
The Suzuki J23A uses a timing chain.
Is the Suzuki J23A turbocharged?
No, the Suzuki J23A is naturally aspirated.
Does the Suzuki J23A need valve clearance adjustment?
No, the Suzuki J23A has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Suzuki J23A last?
The typical lifespan of the Suzuki J23A is ~270 000 km with proper maintenance.
What is the fuel consumption of the Suzuki J23A?
Suzuki Aerio 2005: city 10.4, highway 7.6, combined 8.7 L/100 km.
What cars was the Suzuki J23A installed on?
Suzuki Aerio 1 (ER) in 2004 - 2007.
What are the common problems of the Suzuki J23A?
The main problem here is oil consumption due to hardened valve stem seals. Also, the culprit of the oil burner can be wear and tear of the oil scraper rings. All known problems.





