2018 Acura TLX engine problems

Filed Nov 2, 2026 · Engine · 114,000 miles · MD

The contact owns a 2018 Acura TLX. The contact stated that while driving 30 MPH, there was an abnormal knocking sound coming from the engine. Upon inspection, the contact became aware of an oil leak underneath the vehicle. The vehicle was taken to a dealer and was diagnosed with engine failure. The contact was informed that the engine needed to be replaced. The manufacturer was notified of the failure. The failure mileage was 114,000.

Filed Oct 29, 2026 · Engine · 40,600 miles · WI

The contact owns a 2018 Acura TLX. The contact stated that while driving at approximately 70 MPH, there was an engine knocking sound coming from the vehicle, and the vehicle failed to accelerate properly and decelerated. The vehicle was driven to the local dealer, who diagnosed that the rod bearings had failed and the engine short block was replaced under the federal safety agency Campaign Number: 23V751000 (ENGINE AND ENGINE COOLING). The contact stated that there were metal shavings inside the engine oil pan. The cause of the failure was not yet determined. The local dealer and manufacturer were notified of the issue, but no assistance was provided. The contact stated that the repair for the recall was revised to include replacement of the engine long block. The failure mileage was 40,600.

Filed Oct 26, 2026 · Engine · 147,000 miles · PA

The contact owns a 2018 Acura TLX. The contact stated that while driving and accelerating there was a knocking sound coming from the engine. The vehicle was later towed to the local dealer who diagnosed that the engine rod bearings had failed, and the contact was informed that the engine needed to be replaced. The contact stated that the engine was previously replaced under the federal safety agency Campaign Number: 23V751000 (ENGINE AND ENGINE COOLING). The failure mileage was 147,000.

Filed Oct 7, 2026 · Engine · 89,000 miles · KY

The contact owns a 2018 Acura TLX. The contact stated that while starting the vehicle, the engine started knocking. The contact associated the failure with the federal safety agency Campaign Number: 23V751000 (Engine and Engine Cooling). The contact stated that the closest dealer was a two-hour drive from the residence. The manufacturer was contacted by phone and was made aware of the failure. The failure mileage was approximately 89,000.

Filed Jun 6, 2026 · Engine, Fuel system · SC

Driving car and suddenly all the lights on the dash light up and car goes into “limp” mode. Upon pulling over turning car off and turning back on lights are all still lit up. Plug car into obd2 scanner and car is showing code p0087 low fuel rail pressure. This is extremely dangerous as the car will randomly do this and will go into limp mode which can easily cause me to get into an accident. No active recalls on this but I’m seeing this is a common issue with these Acura tlx models. Why hasn’t this issue been addressed yet Acura?! For reference I drive a 2018 Acura tlx base model 2.4 cylinder

Filed May 27, 2026 · Engine · CA

I bought my 2018 Acura TLX a-spec V6 in Nov. 2021, certified pre-owned from an Acura dealer. It had warranty through 100k miles. At just under 70k miles, around mid-2023 I believe, the engine seized and would not start. Warranty covered engine replacement. This was just around the time of the 3.6L V6 engine recall. I waited on the recall because the engine was brand new at that point. A year or so later, deal did inspect the engine for recall, but determined it was not part of the recall. Come current to late April 2026, just before engine #2 hit 70k miles (total miles on car ~139,000), engine has seized again. Driving on freeway and car went into limp mode, thankfully close to home and made it safely. Had car towed next day to mechanic who sent a video of the knocking noise (can send video if requested; unable to upload here) and refused to work on it. He later drove the car down the block and that is when engine completely failed; no longer would turn on. Towed home, towed to dealer a week ½ later when they had opening. Dealer performed diagnostic and confirmed crankshaft seized. However, now, well past warranty coverage. I called Acura customer relations and opened a case; they will only cover "half" of the engine replacement, at a cost of $13,817 to me. My car is less than 10 years old, less than 150k miles overall and should NOT need engine #3. Will same issue happen after another 70k miles? Acura refuses to acknowledge and take care of it 100%.

Filed Jan 13, 2026 · Engine · CA

The vehicle experienced vibration symptoms and stalled on the road. The day before it stalled, there were rattling noises which prompted me to take the car to the dealership the next day. I had just received the letter about the recall so I knew it was likely related. The car was towed to the Acura dealership but the dealership denied recall coverage, stating the engine number did not match the recall list. During the discovery process, it was later discovered that the engine had been swapped by the dealership in 2018 — a fact that was not disclosed to me at the time of my purchase. The installed engine still falls within the recall defect interval of 2015-2020 but they are resistant to repair. Upon initial inspection of the vehicle, the dealership found metal shavings in the oil indicating internal engine damage. The manufacture requested my oil change records suggesting that this was my fault. I presented the oil change receipts but they still refused recall coverage and the dealership requested approximately $5,000 for diagnostics, if determined my fault. If it is determined that the defect damaged the engine, they will cover the 5k. After several weeks of inspection and going through the manufacture recall process, the dealership determined the recall issue applies my car. However, due to the engine number not on the “list” they are denying my recall coverage. They are seeking $25k for service repairs. After almost 2 months of back and forth, I have been misled and misinformed. I am struggling to get my car repaired under recall.

Filed Jan 9, 2026 · Engine · OK

The engine has been making rattling noises when you start the vehicle from a long rest, mostly over night, since it has about 24k miles on it, when I purchased it used. I noticed it some time after I purchased it. Took it to Honda dealer in Hickory, NC, but they couldn't hear it. Later also took it to Acura dealer in Charlotte, NC. They couldn't hear it either. I recorded the sound and played it back to them.

Filed Nov 18, 2025 · Engine · PA

The contact owns a 2018 Acura TLX. The contact received notification of the federal safety agency Campaign Number: 23V751000 (Engine and Engine Cooling). The contact stated that while driving on several occasions at various speeds and while the vehicle was idling, there was a valve tap coming from the engine compartment, and the vehicle failed to restart. The vehicle was towed to a dealer, where it was diagnosed, and determined that a rod had pushed through the wall of the engine, and the engine needed to be replaced. The vehicle was repaired, but the failure reoccurred three years later. The manufacturer was notified of the failure. The failure mileage was unknown.

Filed Sep 21, 2025 · Electrical, Engine · MO

Date of incident : August 31,2025 Around 9pm on August 31, I was fixing to accelerate at a green light. I pressed the gas pedal, my car went up to 40 mph and then the engine failed. This is due to a recall on the bearing rods for 2015-2020 Acura TLX. The incident occurred a month after financing the car. I don't have a warranty, so I opened up a case with the manufacturer to get help with the repair cost (which is 25,500 for a new engine block and 2 new cylinder heads). Unfortunately, Acura denied assistance. The car only has 68880 miles on it. The rod snapped and put a hole through my engine block. Shame on the manufacturer for denying assistance. I'm now stuck making payments on a car I cannot drive. Yes I have insurance, but it was not involved in an accident so I'm helpless there.