2018 Acura MDX fuel/propulsion system problems
28 owner complaints filed with NHTSA name the fuel/propulsion system on the 2018 Acura MDX — 17% of all complaints for this model year.
What owners report
“I was merging into traffic on interstate. The car lagged as if it wasn't getting gas. I pulled over to get out of traffic. Scary situation. Please advise!”
filed Mar 19, 2026
“I had a recall done by local Acura dealer, Miami Doral Acura, where they replaced parts that connected the engine to the car, they are like rods. I recently took the car to a mechanic because I needed to change the timing belt components and he advised me that one of the rods that were replaced…”
filed Jan 26, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM-FI…
ONL6AX01302026 · Other · issued Jan 31, 2026
Fuel/propulsion System problems in other MDX years
| Year | Reports | Share |
|---|---|---|
| 2025 MDX | 8 | 11% |
| 2024 MDX | 1 | 3% |
| 2023 MDX | 1 | 3% |
| 2022 MDX | 4 | 3% |
| 2020 MDX | 15 | 7% |
| 2019 MDX | 20 | 11% |
| 2017 MDX | 17 | 7% |
| 2016 MDX | 27 | 7% |
| 2015 MDX | 2 | 3% |
| 2014 MDX | 7 | 4% |
| 2013 MDX | 1 | 3% |
| 2012 MDX | 4 | 5% |
Other reported problem areas on the 2018 Acura MDX
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.