2014 Lexus IS Engine Problems
- Complaints
- 3about this part
- Share
- 25%of 12 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2014 Lexus IS, 25% of the 12 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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.”
NHTSA complaint #11630123, filed 2024-12“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.”
NHTSA complaint #11600645, filed 2024-07“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.”
NHTSA complaint #11634062, filed 2025-01Related service bulletins
- 11021730Jul 30, 2025Some 2016 – 2020 model year GS F, 2008 – 2014 model year IS F, 2022 – 2025 model year IS 500, 2018 – 2025 model year LC 500, 2021 – 2025 model year LC 500c, and 2015 – 2025 model…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 20% |
| 2020 | 2 | 33% |
| 2017 | 2 | 18% |
| 2015 | 1 | 11% |
| 2014 | 3 | 25% |
| 2013 | 3 | 33% |
| 2012 | 1 | 6% |
| 2011 | 2 | 13% |
| 2010 | 4 | 10% |
| 2009 | 3 | 8% |
| 2008 | 22 | 22% |
| 2007 | 6 | 5% |
| 2006 | 16 | 11% |
| 2003 | 3 | 25% |
Other parts of the 2014 Lexus IS
3 complaintsOther or unknown
3 complaintsFuel system
2 complaintsAir bags
1 complaintsLatches, locks and linkages
1 complaintsBody and structure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2014 Lexus IS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology