The P0302 diagnostic code on your 2024 Lexus RX signals that the engine control module has detected cylinder 2 misfires exceeding acceptable thresholds. The redesigned RX offers multiple powertrains requiring different diagnostic approaches.
2024 RX Powertrain Options
The redesigned 2024 Lexus RX offers several powertrains: the 2.4L turbocharged four-cylinder (RX 350), the hybrid system (RX 350h and RX 450h+), and performance variants. Each configuration has unique characteristics for diagnosis.
2.4L Turbo Four-Cylinder
The RX 350's turbocharged four-cylinder represents a departure from the traditional V6. With only four cylinders, each one is critical to smooth operation. Cylinder 2 misfires create noticeable vibration and power loss.
Hybrid Powertrain Analysis
The RX 350h and RX 450h+ use the combustion engine in conjunction with electric motors. Misfires affect combustion engine operation specifically, though hybrid system integration may influence symptoms and diagnosis.
Turbocharged Considerations
The 2.4L turbo engine operates under boost pressure during acceleration. Boost leaks, wastegate issues, or intercooler problems can affect cylinder-specific combustion. The charge air system should be inspected for integrity.
New Vehicle Coverage
Your 2024 RX is covered under Lexus's comprehensive warranty. Engine misfires and related repairs should be covered. Contact your Lexus dealer for proper diagnosis and repair documentation.