2018 Acura MDX fuel system problems
51 of the 169 complaints owners filed with NHTSA about the 2018 Acura MDX name the fuel system (NHTSA’s “Fuel/Propulsion System” heading — fuel tanks, lines, pumps and injection — and on an EV, the propulsion battery and motors). Filed under the same heading: 38 manufacturer bulletins, 2 recalls. 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.
What owners filed about the fuel system
Source: NHTSA complaint database1 of the 51 reports a crash · 2 a fire · 0 injuries. Self-reported, unverified.
Filed per year: 2018: 1 · 2020: 1 · 2021: 2 · 2023: 6 · 2024: 31 · 2025: 7 · 2026: 3
Too few of these complaints carry an odometer reading to say when the problem shows up.
169 complaints in all about the 2018 Acura MDX, 3 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 “Fuel/Propulsion System” means the same area of the vehicle, not one fault.
Across model years: Acura MDX fuel system problems, every year on file →
In owners’ own words
Source: NHTSA complaint databaseFiled with NHTSA by the people who own these cars, about the fuel system. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.
MIL is displaying the following DTCs: P0441 P04F1 Acura dealership is stating TSB - 21-081 does not apply to my year, make, model vehicle. Is the information I am receiving accurate?
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available. The local dealer was contacted.
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the part to do the recall repair was not yet available. The local dealer was not contacted.
The contact owns a 2018 Acura MDX. The contact received notifications of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available. The local dealer was contacted.
The contact owns a 2018 Acura MDX. The contact received notification of NHTSA Campaign Numbers: 23V858000 (Fuel System, Gasoline) and 23V751000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available.
What is on file about the fuel system
Source: NHTSA recalls, investigations and manufacturer communicationsRecalls filed under this heading
- 23V858000 HighDec 18, 2023 · 2,490,460 vehicles
- Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail.
- 19V060000 ModerateJan 29, 2019 · 437,032 vehicles
- Honda (American Honda Motor Co.) is recalling certain 2016-2018 Acura MDX, 2015-2019 Acura TLX and 2015-2017 Honda Accord vehicles, equipped with a 3.5L V6 engine. Particulates in fuel may adhere to the internal components of the fuel pump, reducing its performance.
38 manufacturer bulletins filed under this heading
- ONL6AX01302026 OtherJan 31, 2026
- 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 software update to fix this issue.
The 1 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
Codes a bulletin or an owner’s complaint about the 2018 Acura MDX names on this model year; a code with a record of its own links it.
Other systems with a record on the 2018 Acura MDX
Source: the same files- engine problems 54 complaints
Common questions
Source: NHTSA complaint database, recalls and manufacturer communicationsAre fuel system problems common on the 2018 Acura MDX?
They are documented: NHTSA holds 51 owner complaints naming the fuel system on this model year (30% of everything owners filed about it), and 38 manufacturer bulletins, 2 recalls 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 fuel system on the 2018 Acura MDX?
Yes — 2 campaigns are filed under this heading: 23V858000, 19V060000. A recall is matched by VIN; check yours at nhtsa.gov/recalls.
When do fuel system problems show up on the 2018 Acura MDX?
Too few of the complaints carry an odometer reading to say. The model year's page shows the mileage curve across every system where it can.
What does NHTSA's "Fuel/Propulsion System" heading cover?
Fuel tanks, lines, pumps and injection — and on an EV, the propulsion battery and motors. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.