What are the most common Lexus GS problems?
According to Au7o's analysis of 2,500+ owner reports, the 2015 Lexus GS has 4 documented issues. The most frequently reported are: Denso Low-Pressure Fuel Pump Impeller Swells and Stops the Pump (Recalls 20V012 / 20V682 / 26V222), Water Pump Premature Failure, Power Steering Rack Seal Leak. Of these, 1 is rated critical and should be addressed promptly.
Is the Lexus GS reliable?
The 2015 Lexus GS has 4 known issues documented across 2,500+ owner reports. 1 issue is rated critical: Denso Low-Pressure Fuel Pump Impeller Swells and Stops the Pump (Recalls 20V012 / 20V682 / 26V222). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Lexus GS problems?
Repair costs for known Lexus GS issues range from $0 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Denso Low-Pressure Fuel Pump Impeller Swells and Stops the Pump (Recalls 20V012 / 20V682 / 26V222), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2013-2020 Lexus GS Denso Low-Pressure Fuel Pump Impeller Swells and Stops the Pump (Recalls 20V012 / 20V682 / 26V222)?
The L10 generation GS uses a Denso in-tank low-pressure fuel pump whose impeller was molded from a resin with too little density. The impeller absorbs fuel, swells, and interferes with the surrounding pump body until the pump stops turning. The failure shows first as a rough-runn… Repairs typically run $0-$0. Severity: high.
What is the 2013-2020 Lexus GS Water Pump Premature Failure?
The water pump on the GS models fails prematurely, typically between 60,000-100,000 miles. Coolant leaks from the weep hole as the internal seal deteriorates, and the pump bearing develops play causing a whining noise. If not addressed, overheating and potential engine damage can… Repairs typically run $500-$1,200. Severity: medium.
What is the 2006-2015 Lexus GS Power Steering Rack Seal Leak?
The power steering rack develops internal seal leaks that cause power steering fluid loss. The leak typically appears at the inner tie rod boots where fluid seeps past the rack seals. Low fluid levels lead to increased steering effort and pump whining noise, and eventually the ra… Repairs typically run $800-$2,000. Severity: medium.
What is the 2006-2020 Lexus GS Front Timing Chain Cover and Cam Housing Oil Leak - 2GR-FSE (FIPG Sealant Failure)?
The 2GR family V6 - including the 2GR-FSE fitted to the S190 GS 350 / GS 450h and the L10 GS 350 - seals its front timing chain cover and cam housings with FIPG (formed-in-place gasket) sealant rather than a solid gasket. Over years of heat cycling the sealant hardens, shrinks an… Repairs typically run $2,400-$4,000. Severity: medium.
