2007 Lexus IS350
2007 Lexus IS350
Overview
The 2007 Lexus IS350 is generally regarded as a reliable luxury sport sedan, benefiting from Lexus’s reputation for quality engineering and robust build. It features a potent V6 engine paired with a smooth automatic transmission, offering a compelling blend of performance and comfort. While most owners report a positive ownership experience with minimal unexpected repairs, like any vehicle, certain components can experience issues over time. This analysis focuses on documented, non-wear-and-tear related problems that may arise, providing insights into potential repair areas and their associated costs to help prospective and current owners.
Engine
3.5L V6 (2GR-FSE)
Carbon Buildup on Intake Valves
- Symptoms: Reduced engine power, rough idle, decreased fuel efficiency, check engine light.
- Solution: Manual cleaning of intake valves, or in severe cases, walnut blasting.
- Cost: $400 - $1000
Oil Leaks (Valve Cover Gaskets)
- Symptoms: Visible oil on engine components, burning oil smell, potential for oil spots under the vehicle.
- Solution: Replacement of valve cover gaskets.
- Cost: $300 - $600
Transmission
6-Speed Automatic (Aisin)
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Suspension
Standard Chassis
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Electrical
General Electrical 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: Replacement of key fob battery, or potential issue with the fob itself.
- Cost: $5 - $20 (battery), $100+ (new fob)
Exterior
Body and Trim
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Interior
Cabin Components
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Summary Verdict
The 2007 Lexus IS350 is a highly reliable vehicle with a strong track record. The primary areas that may require attention are related to the direct-injection engine’s tendency for carbon buildup on intake valves and potential minor oil leaks from valve cover gaskets. Electrical issues are infrequent, with the HVAC blower motor resistor being a common, albeit minor, repair. Overall, the IS350 offers excellent long-term reliability, making it a solid choice for those seeking a dependable luxury sport sedan. Regular maintenance and addressing minor issues promptly will ensure continued optimal performance.