The P0302 diagnostic code on your 2022 Lexus GX 460 indicates that the engine control module has detected cylinder 2 misfires exceeding acceptable parameters. This body-on-frame luxury SUV features a proven V8 powertrain.
2022 GX 460 Powertrain
The 2022 Lexus GX 460 was powered by a 4.6L V8 engine producing 301 horsepower. This naturally aspirated engine is shared with the Land Cruiser heritage and is known for exceptional durability and reliability.
V8 Engine Analysis
The 4.6L V8 uses a traditional port fuel injection system with individual coil-on-plug ignition. Cylinder 2 is located on the passenger side bank. The engine's proven design means most misfires relate to normal wear items.
Off-Road SUV Considerations
The GX is designed for off-road capability. Owners who use these vehicles in demanding conditions may experience accelerated component wear. Dust intrusion and vibration can affect ignition connections.
High-Mileage Reliability
The Toyota 4.6L V8 is known to exceed 200,000 miles with proper maintenance. At higher mileage, ignition components including spark plugs and coils may need replacement. These are normal maintenance items.
Diagnostic Simplicity
The naturally aspirated V8 without variable valve timing complexity makes diagnosis straightforward. Traditional ignition and fuel system testing applies. Focus on spark plugs, coils, and fuel injectors.