Lexus · Known Issues

2020 Lexus ES Problems: 2 Known Issues

2020 model year · 2,800+ owner reports · Updated September 2026

According to Au7o's analysis of 2,800+ owner reports, the 2020 Lexus ES has 2 documented known issues, with 1 rated critical. The most serious is XZ10 ES: Denso Low-Pressure Fuel Pump Impeller Swells and Stalls the Engine ($0-$0 repair). The most commonly reported issue is Brake Actuator Buzzing and Grinding Noise with 2,800 owner reports. DIY maintenance guides at au7o.io.

Frequently Asked Questions

What are the most common Lexus ES problems?

According to Au7o's analysis of 2,800+ owner reports, the 2020 Lexus ES has 2 documented issues. The most frequently reported are: XZ10 ES: Denso Low-Pressure Fuel Pump Impeller Swells and Stalls the Engine, Brake Actuator Buzzing and Grinding Noise. Of these, 1 is rated critical and should be addressed promptly.

Is the Lexus ES reliable?

The 2020 Lexus ES has 2 known issues documented across 2,800+ owner reports. 1 issue is rated critical: XZ10 ES: Denso Low-Pressure Fuel Pump Impeller Swells and Stalls the Engine. 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 ES problems?

Repair costs for known Lexus ES issues range from $0 to $0, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, XZ10 ES: Denso Low-Pressure Fuel Pump Impeller Swells and Stalls the Engine, typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2019-2020 Lexus ES XZ10 ES: Denso Low-Pressure Fuel Pump Impeller Swells and Stalls the Engine?

The 2019 ES 350 (and other 2019 Lexus models) were recalled under NHTSA campaign 20V012 for a Denso-supplied low-pressure in-tank fuel pump. The impeller was molded from a lower-density resin that absorbs fuel, swells, deforms, and binds against the pump housing. The result is a… Repairs typically run $0-$0. Severity: high.

What is the 2019-2025 Lexus ES Brake Actuator Buzzing and Grinding Noise?

The electronic brake actuator on the 2019+ ES produces a noticeable buzzing or grinding noise during low-speed braking and when the brake hold function is engaged. The noise comes from the ABS actuator cycling at low speeds and is a design characteristic of the brake-by-wire syst… Severity: low.

2020 Lexus ES Problems: 2 Known Issues

All 2 Known Issues

2019-2020 Lexus ES: XZ10 ES: Denso Low-Pressure Fuel Pump Impeller Swells and Stalls the Engine#

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2019-2025 Lexus ES: Brake Actuator Buzzing and Grinding Noise#