Diagsheet

2019 Acura RDX · symptom sheet

Check engine light or misfire

  • 36owner reports
  • 13,500median miles
  • 0involved a crash

Newest report Jul 6, 2026 · checked Sep 9, 2026

139 of the 436 complaints on this car are about the engine. 36 of those describe misfire.

Tick what matches of 36 reports

5
1
16
11

What got replaced

Few of these reports name the part that was replaced.

Recalls and investigations

3 recalls on the engine cover the 2019 model year. A recall on the same system isn't always the same failure, so read the defect text.

23V-858Dec 18, 2023
Fuel System, Gasoline:Delivery:Fuel Pump

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.

Risk and remedy
Risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Remedy: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314.
21V-215Mar 25, 2021
Fuel System, Gasoline:Delivery:Fuel Pump

Honda (American Honda Motor Co.) is recalling certain 2019-2020 Acura MDX, MDX Sport Hybrid, RDX, TLX, Honda Accord, Civic Hatchback, Insight, 2019 Acura ILX, Honda Accord Hybrid, Civic Coupe, Civic Coupe Si, Civic Sedan, Civic Sedan Si, Civic Type R, Fit, HR-V, Odyssey, Passport, Pilot and Ridgeline, and 2018-2019 CR-V vehicles. The low-pressure fuel pump inside the fuel tank may fail.

Risk and remedy
Risk: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Remedy: Honda will notify owners, and dealers will replace the fuel pump assembly, free of charge. Owner letters were mailed May 18, 2021. Owners may contact Honda customer service at 1-888-234-2138. Note: This recall is an expansion of recall 20V-314.
20V-314May 28, 2020
Fuel System, Gasoline:Delivery:Fuel Pump

Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura NSX, 2019 Acura RDX, RLX and RLX Sport Hybrid, 2018-2019 Honda Accord, Civic Hatchback, Civic Type R and HR-V, 2019-2020 Insight and 2019 Fit vehicles. The low-pressure fuel pump inside the fuel tank may fail.

Risk and remedy
Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Remedy: Honda will notify owners and dealers will replace the fuel pump assembly, free of charge. The recall began July 22, 2020. Owners may contact Honda customer service at 1-888-234-2138.

When it happens

The middle half of failures fell between 3,500 and 25,400 miles, from the 18 reports that gave a mileage.

819
620
721
222
423
124
425
426

What owners wrote

“Head Gasket failure. Design failure there are grooves holding coolant on the block making the coolant leak into cylinders heads”

Filed Jul 6, 2026

“There was head gasket failures around cylinders 2 and 3. This allows small amounts of coolant to leak into the engine, causing a distinct startup sputter or a choppy shudder as turbo boost climbs. This is a reoccurring issue with 2019 Acura RDX the vehicle ran hot while driving and was instructed to turn the vehicle off also the check engine light began to flash on and off.”

Filed Jul 6, 2026

“My RDX A-Spec experienced premature head gasket failure and suspected turbocharger related issues at low moderate mileage. Vehicle shows coolant loss and overheating/midfire symptons, rough idle. Im concerned this May be related to known Honda/Acura 2.0 turbo engine defects causing unsafe and costly engine damage.”

Filed May 21, 2026

“Vehicle was stolen within 15 minutes due to a weak door lock cylinder on the driver's door. Once the robber was inside they used a scanner yo bypass the weak security system and erased all key fobs”

Filed Jan 10, 2026

Should you keep driving it?

This page can't tell you that. 0 of 36 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.

File your own report with NHTSA. Complaint counts are how a problem gets an investigation.

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