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moderate Owners of the 2018 Acura RDX have filed 17 NHTSA complaints about the fuel system at roughly $1,200 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See fuel system across all vehicles →
| Model year | fuel system complaints |
|---|---|
| 2018 RDX (this page) | 17 |
| 2019 RDX | 11 |
| 2020 RDX | 16 |
Fuel system accounts for 22% of all owner complaints filed against this vehicle, across 7 categories tracked.
Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
The manufacturer has issued service bulletins covering fuel system on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service 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 Malfunction).
full bulletin at NHTSA ↗Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
Owners of 2018 Acura RDX vehicles report persistent fuel-system issues linked to NHTSA Campaign 23V858000. The core problem: recall parts have been unavailable for an extended period, preventing repairs. Owners describe hard starting (multiple attempts needed), sputtering at highway speeds, near-stalls with warning lights, loss of motive power (one case at 80 MPH resulting in complete deceleration), jerking, stalling, unintended acceleration, and console features going inoperable. Some failures are intermittent; others leave the vehicle unable to function safely. One owner experienced an unknown component continuing to run after shutdown.
Out of 17 complaints, only 5 owners reported actual drivability failures; the remaining 12 complained solely about the recall delay and parts shortage. The failures that did occur span mileages from 85,000 to 140,000 miles. Owners contacted dealers multiple times—all confirmed parts were unavailable. The manufacturer acknowledged the issue in most cases but could not provide a timeline for repairs. No independent repairs were completed, and no owners reported out-of-pocket fix costs because the recall remained unexecuted. This is purely a supply-chain problem compounding an underlying fuel-system defect.
Same Acura RDX fuel system reports on nearby years: 2019 · 2020
Vehicle requires several attempts to start or is difficult to start.
When: Unspecified mileage; one complaint at approximately 85,000 miles
Symptoms owners cite: Multiple attempts needed to start; Difficult to start
Repairs/costs cited: No repairs completed; recall parts unavailable at time of complaint
Recalls/TSBs owners mention: NHTSA Campaign Number 23V858000 (Fuel System, Gasoline); parts not available
Vehicle loses motive power and decelerates to complete stop, then restarts and operates normally.
When: Approximately 140,000 miles
Symptoms owners cite: Loss of motive power at highway speed; Deceleration to 0 MPH; Check engine light illuminated; Emissions warning light illuminated
Repairs/costs cited: No repairs completed; recall parts unavailable at time of complaint
Recalls/TSBs owners mention: NHTSA Campaign Number 23V858000 (Fuel System, Gasoline); parts not available
Vehicle sputters and nearly stalls during operation at moderate speed.
When: Approximately 85,000 miles
Symptoms owners cite: Vehicle sputtering; Near-stall condition; Yellow exclamation mark on instrument cluster; Intermittent failure
Repairs/costs cited: No repairs completed; recall parts unavailable at time of complaint
Recalls/TSBs owners mention: NHTSA Campaign Number 23V858000 (Fuel System, Gasoline); parts not available
Vehicle jerks and stalls, with unwarned acceleration events.
When: Unspecified mileage
Symptoms owners cite: Jerking motion; Stalling; Accelerated without warning; Multiple unknown warning lights
Repairs/costs cited: No repairs completed; recall parts unavailable at time of complaint
Recalls/TSBs owners mention: NHTSA Campaign Number 23V858000 (Fuel System, Gasoline); parts not available
Vehicle jerks during operation; after shutdown, an unknown component continues running.
When: Unspecified mileage
Symptoms owners cite: Jerking while driving; Unknown component continues to run after ignition off
Repairs/costs cited: No repairs completed; recall parts unavailable at time of complaint
Recalls/TSBs owners mention: NHTSA Campaign Number 23V858000 (Fuel System, Gasoline); parts not available
Console features become inoperable; failure is intermittent.
When: Unspecified mileage
Symptoms owners cite: Console features inoperable; Intermittent failure
Repairs/costs cited: No repairs completed; recall parts unavailable at time of complaint
Recalls/TSBs owners mention: NHTSA Campaign Number 23V858000 (Fuel System, Gasoline); parts not available
Synthesized from 17 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
The contact owns a 2018 Acura RDX. The contact received notification of NHTSA Campaign Number: 23V858000 (FUEL SYSTEM, GASOLINE); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts…
The contact owns a 2018 Acura RDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that the vehicle was difficult to start. The local dealer was contacted. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable…
The contact owns a 2018 Acura RDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System Gasoline); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was contacted. The manufacturer was made aware of the issue. The contact had not experienced a…
The contact owns a 2018 Acura RDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had…
The contact owns a 2018 Acura RDX. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline); however, the part to do the recall repair was unavailable. The contact stated that several local dealers were contacted and confirmed that parts were unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair.…
The contact owns a 2018 Acura RDX. The contact stated that while driving at unknown speeds, the vehicle began to jerk. After turning off the vehicle, an unknown part continued to run. There were no warning lights illuminated. The contact received notification of NHTSA Campaign Number: 23V858000 (Fuel System, Gasoline). However, the part to do the recall repair was not yet available. The local…
It's a documented issue but not catastrophic. 17 complaints have been filed. Repairs average $1,200 and most owners catch it before it causes a breakdown.
Based on the 17 complaints filed, fuel system issues most often appear around 112,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
Independent shops typically charge around $1,200 for fuel system repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Yes — 1 active recall(s) cover fuel system issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.