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2006 Lexus IS350

2006 Lexus IS350

Overview

The 2006 Lexus IS350, part of the second generation IS lineup, is generally regarded as a reliable luxury sport sedan. It features a potent 3.5-liter V6 engine paired with a responsive automatic transmission. While Lexus is known for its build quality and durability, like any vehicle, some specific areas have seen more attention than others. This analysis focuses on documented technical issues beyond routine maintenance, providing insights into potential concerns for owners and prospective buyers of this model year.


Engine

3.5L V6 (2GR-FSE)

Oil Leaks (Valve Covers/Timing Cover)

  • Symptoms: Visible oil residue around the engine, burning oil smell, low oil level.
  • Solution: Replacement of valve cover gaskets or timing cover seals.
  • Cost: $400 - $800

Carbon Buildup (Direct Injection)

  • Symptoms: Reduced engine performance, rough idle, decreased fuel efficiency, check engine light.
  • Solution: Intake valve cleaning service (e.g., walnut blasting).
  • Cost: $300 - $600

Transmission

6-Speed Automatic (A960E)

No widespread issues reported.

  • Symptoms: N/A
  • Solution: N/A
  • Cost: Varies

Suspension

Standard Chassis

No widespread issues reported.

  • Symptoms: N/A
  • Solution: N/A
  • Cost: Varies

Electrical

Standard System

HVAC Blower Motor Resistor Failure

  • Symptoms: HVAC fan only works on highest setting or not at all.
  • Solution: Replacement of the blower motor resistor.
  • Cost: $100 - $250

Key Fob Battery Drain

  • Symptoms: Key fob requires frequent battery replacement.
  • Solution: Diagnosis and potential repair/replacement of the keyless entry module or fob.
  • Cost: $150 - $400

Exterior

Standard Body and Trim

No widespread issues reported.

  • Symptoms: N/A
  • Solution: N/A
  • Cost: Varies

Interior

Standard Cabin

No widespread issues reported.

  • Symptoms: N/A
  • Solution: N/A
  • Cost: Varies

Summary Verdict

The 2006 Lexus IS350 is a solid choice for a reliable luxury sedan. The powertrain, including the robust 3.5L V6 engine and 6-speed automatic transmission, is generally dependable. Common issues tend to be minor and related to age, such as oil leaks from valve covers or timing components, and carbon buildup in the direct-injection engine, which are manageable with proper maintenance. Electrical gremlins like HVAC blower resistor failure and key fob battery drain are also noted but not pervasive. Overall, with diligent upkeep, the IS350 should provide a dependable and enjoyable ownership experience, reflecting Lexus’s reputation for quality.

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