Lexus IS owners have reported 35 other fuel system related problems since 1996. Table 1 shows the 4 most common other fuel system problems. The number one most common problem is related to the vehicle's other fuel system (29 problems). The second most common problem is related to the vehicle's other fuel system pump (4 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Other Fuel System problems | |
| Other Fuel System Pump problems | |
| Other Fuel System Fuel Injection System problems | |
| Other Fuel System Tank Assembly problems |
I am filing this updated complaint to supplement my prior complaint (NHTSA id no. Xxx, filed January 27, 2026) regarding a recurring, safety-critical engine defect in my 2020 Lexus Is300 rwd, 8ar-fts engine. Defect: three documented misfire events over seven weeks. Read details...
Vehicle in motion going 80mph on highway when suddenly jolted and vehicle did not respond to accelerator and check engine/battery lights all came on and slowed to a stop. Restarting engine did not work as it sputtered and went back to idle immediately. Read details...
Lexus knows about and will not fix the 1st generation of direct fuel injection on the Is250/350 engines model years 2006-2013. Lexus claims to me that when in cold climates the fuel will condense on cylinder walls and then contaminate the oil. Read details...
Tl-the contact owns a 2012 Lexus Is250. Contact stated that while driving at 70 mph, all warning light illuminated contact losses power and coasted to the shoulder of the road. The contact attempted to restart the vehicle which failed to start. Read details...