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Home›Acura›2019 Acura MDX› engine problems
Owner complaints · Engine

2019 Acura MDX engine problems

77 of the 196 complaints owners filed with NHTSA about the 2019 Acura MDX name the engine (NHTSA’s “Engine” heading — the engine and its cooling system). Filed under the same heading: 47 manufacturer bulletins, 2 recalls, 3 NHTSA investigations. Every figure below is a document in a federal file, linked; none is a failure rate, and none is a verdict on any one car.

77 complaints 39% of this model year’s 2 a fire typically at 42k miles

What owners filed about the engine

Source: NHTSA complaint database
77complaints name the engine

0 of the 77 reports a crash · 2 a fire · 0 injuries. Self-reported, unverified.

Filed per year: 2019: 2 · 2020: 2 · 2021: 2 · 2022: 7 · 2023: 7 · 2024: 43 · 2025: 9 · 2026: 5

42kmiles, typically

Half of the 17 owners who gave an odometer reading reported the engine problem between 13,000 and 59,000 miles. A median of reports, not the life of a part.

39%of this model year’s complaints

196 complaints in all about the 2019 Acura MDX, 5 filed in 2026. The whole picture, every system →

Counts are owner reports to NHTSA, not verified defects, and scale with how many of these were sold; nothing here is a rate. NHTSA groups complaints coarsely, so “Engine” means the same area of the vehicle, not one fault.

Across model years: Acura MDX engine problems, every year on file →

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In owners’ own words

Source: NHTSA complaint database

Filed with NHTSA by the people who own these cars, about the engine. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.

UNKNOWN Over the course of a couple weeks, engine has intermittently stalled while driving, forcing me to turn off the car in the middle of the road. Progressively, other electronics have also intermittent failed including power steering and infotainment system.
Engine Sep 3, 2023 NHTSA owner report
The Car shut down in engine idle and would not restart. It was unresponsive and took 5 minutes for the start button to function. This occurred in the middle of a busy intersection. 2 weeks ago Acura performed an update to the software that was supposed to resolve the engine restart issue, but clearly it has not
Engine Jun 22, 2023 NHTSA owner report
Vehicle was stopped at a traffic light (transmission in Drive) and the automatic idle shutoff engaged, turning off the engine. When the traffic light turned green, the brake was released and we found that the transmission had shifted to neutral and would not shift back into Drive. We had to restart the car.
Engine Feb 23, 2023 NHTSA owner report
The contact owns a 2019 Acura MDX. The contact stated that on numerous occasions while driving approximately 55 MPH, the vehicle failed to respond as needed. The contact stated that the engine revved however, the vehicle went into LIMP Mode for 10 seconds and then operated normally.
Engine at 55,000 miles Dec 5, 2022 NHTSA owner report
During Idle stop at red light car stops and goes into neutral and engine stalls. 2019 MDX won't move unless completely restart the car in the middle of busy intersection. High risk for accident and injury. There is few recall mention in Acura site for 2019 MDX, but when input vin number its claims no recall to this vehicle .
Engine Nov 5, 2022 NHTSA owner report

What is on file about the engine

Source: NHTSA recalls, investigations and manufacturer communications

Recalls filed under this heading

NHTSA investigations

47 manufacturer bulletins filed under this heading

The 2 newest are listed; every one is on the model year’s page. Quote the document number at a service desk — it is a diagnosis the maker has already written down.

Trouble codes named on this system

P0171 P0174 P219A P0441 P0716 P0304

Codes a bulletin or an owner’s complaint about the 2019 Acura MDX names on this model year; a code with a record of its own links it.

From here
Every 2027 model on file, by price Compare two vehicles, trim vs trim See what a VIN was priced at See what owners reported

Common questions

Source: NHTSA complaint database, recalls and manufacturer communications

Are engine problems common on the 2019 Acura MDX?

They are documented: NHTSA holds 77 owner complaints naming the engine on this model year (39% of everything owners filed about it), and 47 manufacturer bulletins, 2 recalls, 3 NHTSA investigations are filed under the same heading. Whether it is a problem on one particular car is a diagnosis, not a count, and a count says nothing about how many were sold.

Is there a recall for the engine on the 2019 Acura MDX?

Yes — 2 campaigns are filed under this heading: 23V751000, 19V298000. A recall is matched by VIN; check yours at nhtsa.gov/recalls.

When do engine problems show up on the 2019 Acura MDX?

Owners who gave an odometer reading reported it at a median of 42,000 miles; half of them between 13,000 and 59,000. That is when reports cluster, not the life of a part.

What does NHTSA's "Engine" heading cover?

The engine and its cooling system. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.