P0305 Code: 2024 Lexus ES – What It Means & Cost to Fix

2024 Lexus ES P0305: Cylinder 5 Misfire Troubleshooting Guide

The 2024 Lexus ES 350 continues with the 3.5-liter V6 engine producing 302 horsepower, maintaining the ES's reputation for smooth, refined power delivery. A P0305 diagnostic trouble code indicates that cylinder 5 of this six-cylinder engine is experiencing misfire events.

P0305 Code Analysis

P0305 translates to "Cylinder 5 Misfire Detected" in OBD-II terminology. The ES 350's V6 includes cylinder 5 as a legitimate position on the rear bank (firewall side). This cylinder plays an important role in the engine's characteristic smoothness.

Current Model Warranty

As a current-year vehicle, your 2024 ES should be covered under Lexus warranty. Component failures causing misfires should be addressed through your dealer. Document symptoms and operating conditions for warranty service.

V6 Engine Configuration

The 2GR-FKS 3.5L V6 uses D-4S dual injection technology for optimal performance and reduced carbon buildup. Cylinder 5 misfires typically indicate component failure rather than maintenance-related wear on a new vehicle.

Diagnostic Excellence

Lexus Techstream diagnostics provide comprehensive cylinder-specific data. Factory-trained technicians can access the most detailed information for accurate diagnosis and repair.

Parts & Tools for This Case

Based on our investigation, these parts may be needed for this repair.

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