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EnginePart report

2023 Lexus IS Engine Problems

Complaints
1about this part
Share
20%of 5 total for the year
Median mileage
—not reported
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 1 complaints about the engine of the 2023 Lexus IS, 20% of the 5 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 am reporting a severe, unresolved safety hazard involving my 2023 Lexus IS350]. The vehicle is continuously flashing 'Braking System Malfunction,' 'Crash Light,' and 'Engine Light' alerts on the dashboard. This is the second major acceleration and braking system failure since purchasing the vehicle brand new.The authorized dealership, Meade Lexus, has repeatedly failed to properly diagnose or repair this critical braking issue over a 7-month period. …”

NHTSA complaint #11753916, filed 2026-07

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2023120%
2020233%
2017218%
2015111%
2014325%
2013333%
201216%
2011213%
2010410%
200938%
20082222%
200765%
20061611%
2003325%

Other parts of the 2023 Lexus IS

Back-over prevention (rear camera)
1 complaints
Brakes
1 complaints
Electrical system
1 complaints
Body and structure
1 complaints
Transmission and drivetrain
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2023 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