There are 3 owner-reported engine complaints for the 2014 Lexus ISin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I took my car to my mechanic for an oil change, and they noticed an oil leak at the timing chain cover, which could pose a safety risk, including a potential engine fire. They informed me this is a known issue on Toyota and Lexus vehicles with the 3.5-liter V6 engine. To confirm, I brought the car to a Lexus dealership, and they verified the same problem.
Timing chain cover leak in a 2014 Lexus IS350 is a relatively common issue for vehicles 3.5 liter engine 2GR-FSE. The leak typically occurs due to a failing gasket or sealant on the timing chain cover. Here's what you need to know: Symptoms of a Timing Chain Cover Leak 1. Oil Leaks: Visible oil on the engine or under the car in which can cause a fire in engine compartment 2. Burning Oil Smell: Oil dripping onto hot components may cause a noticeable odor. 3. Low Oil Levels: Frequent topping up of engine oil.
Took vehicle for an oil change and toyota dealership sees an oil leak at the timing chain cover which can cause an engine fire. A common problem as Toyota tech stated on all Toyota/Lexus 3.5 liter V6 24-valve, dual overhead cam (DOHC), Direct & port injection, Variable Valve Timing (VVT-i), 306 hp.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026