2018 Acura TLX engine problems
31 owner complaints filed with NHTSA name the engine on the 2018 Acura TLX — 33% of all complaints for this model year.
What owners report
“Driving car and suddenly all the lights on the dash light up and car goes into “limp” mode. Upon pulling over turning car off and turning back on lights are all still lit up. Plug car into obd2 scanner and car is showing code p0087 low fuel rail pressure. This is extremely dangerous as the car will…”
filed Jun 6, 2026
“I bought my 2018 Acura TLX a-spec V6 in Nov. 2021, certified pre-owned from an Acura dealer. It had warranty through 100k miles. At just under 70k miles, around mid-2023 I believe, the engine seized and would not start. Warranty covered engine replacement. This was just around the time of the 3.6L…”
filed May 27, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Due to a manufacturing error, the connecting rod bearing in the engine may wear and…Campaign 23V751000 · Nov 13, 2023
Related service bulletins
Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the…
B22-009 · Service Bulletin/Repair Instructions · issued Jul 7, 2025Service Bulletin - The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals.
B24-022 · Service Bulletin/Repair Instructions · issued Feb 19, 2025Service Bulletin - The MIL comes on during vehicle operation due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441…
B23-035 · Service Bulletin/Repair Instructions · issued Jan 10, 2024Service Bulletin - Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow…
B23-035 · Service Bulletin/Repair Instructions · issued Dec 15, 2023Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engages, the vehicle may not automatically restart. Acura is providing a product update with new PGM-FI software…
ONL6AX07052023 · Service Bulletin/Repair Instructions · issued Jul 5, 2023
Engine problems in other TLX years
| Year | Reports | Share |
|---|---|---|
| 2022 TLX | 2 | 8% |
| 2021 TLX | 4 | 6% |
| 2020 TLX | 19 | 31% |
| 2019 TLX | 31 | 34% |
| 2017 TLX | 23 | 33% |
| 2016 TLX | 27 | 25% |
| 2015 TLX | 82 | 24% |
Other reported problem areas on the 2018 Acura TLX
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.