During acceleration between 1000-2000 rpm when I back out of the driveway or slowly start to accelerate on the street I hear a knocking sound only at that specific rpm. When cruising and I release the gas I feel a heavy sluggish and quick decrease of speed instead of it smoothly decelerating and slowly cruising. I took it to Carmax where I bought it at 79,900 miles and they heard the distant knocking as well. Sent it to Honda to inspect for a second opinion they also heard the noise but want to tear the engine apart or lower the oil pan and inspect the connecting rods and bearings but they want me to pay out of pocket.
2018 Honda Pilot engine problems
163 complaints (37% of all complaints for this car). Typical mileage when it fails: 90,000.
- owner complaints
- 163
- of this car's complaints
- 37%
- typical mileage
- 90,000
- crashes
- 0
- recalls
- 2
Which part fails
- Exhaust system: emission control: gas recirculation valve (EGR valve)1
- Engine: crank/camshaft position sensor1
At what mileage
Complaints by mileage at the time of the problem.
0k-25k
25k-50k
50k-75k
75k-100k
100k-125k
125k-150k
150k-175k
175k-200k
200k+
Honda Pilot engine problems in other years
Specific symptoms reported on the 2018 Honda Pilot engine
Phrases found in the owners' own descriptions, so one complaint can mention several symptoms.
Stalling 57Check engine light 34Engine failure 19Knocking 19Loss of power 17Won't start 17Misfire 7
Related recalls
Engine and engine cooling: engine: hard parts internal/mechanical
- What is wrong
- Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturing error, the connecting rod bearing in the engine may wear and seize, damaging the engine.
- Risk
- A damaged engine may run improperly or stall while driving, increasing the risk of a fire, crash, or injury.
- Remedy
- Dealers will inspect and repair, or replace the engine as necessary, free of charge. Owner letters were mailed March 28, 2024. 2016-2017 Acura MDX owner letters were mailed November 1, 2024. 2016-2020 Acura MDX owner letters are expected to be mailed in mid-December 2024. Honda began mailing owner notification letters as of March 18, 2024. 2015-2016 Acura owner letters are expected to be mailed mid-December 2024, 2018 Acura TLX owner letters are expected to be mailed the end of March/early April 2024, 2019 Acura TLX owner letters are expected to be mailed mid-May 2024, 2020 Acura TLX owner letters are expected to be mailed mid-June 2024, and 2016-2020 Acura MDX owner letters are expected to be mailed January 27, 2025. Owners may contact Honda customer service at 1‑888‑234‑2138. Honda's numbers for these recalls are XG1 and GG0.
Recall number 23V751000 · Recall details
Engine and engine cooling: engine: gasoline: belts and associated pulleys
- What is wrong
- Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura MDX and Honda Pilot vehicles and 2019 Acura RLX, RLX Sport Hybrid, TLX and Honda Odyssey and Ridgeline vehicles. The timing belt teeth may separate from the belt.
- Risk
- Teeth separation from the timing belt may result in an engine stall, increasing the risk of crash.
- Remedy
- Honda will notify owners, and dealers will inspect the vehicle and replace any affected timing belt free of charge. Vehicles receiving a replacement timing belt will also have the engine inspected and any damaged components will be replaced for free. The recall began June 7, 2019. Honda owners may contact customer service at 1‑888‑234‑2138. Honda's number for this recall is L4M. Acura owners may contact customer service at 1‑888‑234‑2138. Acura's number for this recall is Z4L.
Recall number 19V298000 · Recall details
Related investigations
Engine failure
The Office of Defects Investigation (ODI) has received 414 reports of connecting rod bearing failures in the 3.5L V6 engine used in the following vehicles: Model Years (MY) 2018-2020 Acura TLX, MY2016-2020 Acura MDX, MY2016-2020 Honda Pilot, MY2018-2020 Honda Odyssey, and MY2017-2019 Honda Ridgeline. The subject engine failures were analyzed as part of a Recall Query (RQ24013). It was determined that these engine failures are outside the scope of Honda Recall 23V‑751. Further, evidence gathered in conjunction with RQ24013 does not suggest this failure is caused by the same crankshaft manufacturing defect that is addressed by Honda in Recall 23V‑751. Based on analysis of data from RQ24013, the federal safety agency has closed that investigation. The significant number of reports of engine failure in vehicles outside the scope of RQ24013 presents a potential safety risk that warrants further investigation. ODI is opening this Preliminary Evaluation (PE) to further evaluate the scope and severity of the potential problem and to fully assess the potential safety-related issues. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to
PE25008
No Restart After Auto Start/Stop Engages
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.the federal safety agency has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to
EA25004
Engine failure
On November 8, 2024, the Office of Defects Investigation (ODI) opened Recall Query RQ24013 to assess the scope of Honda recall 23V‑751 after receiving complaints that alleged connecting rod bearing failures in vehicles that were not within the scope of recall 23V‑751. In November 2023, Honda recalled 248,999 various Model Year (MY)2016â2020 Honda and Acura vehicles equipped with the 3.5L V6 engine. Honda recalled these vehicles due to a crankshaft manufacturing defect that caused premature connecting rod bearing wear and engine seizure. While the out-of-scope failures involved in these complaints appear to have a very similar failure mechanism as the recalled engines, a thorough analysis of all available data from Honda has not indicated that the same manufacturing defect exists in the out-of-scope engines as the engines recalled by 23V‑751. Based on this analysis ODI has determined that Honda has properly defined the scope of recall 23V‑751. Consequently, ODI will close this RQ investigation. the federal safety agency will continue to investigate these complaints of engine failure as part of a new Preliminary Evaluation Investigation (PE25008). The Agency reserves the right to take additional action if warranted by new circumstances.
RQ24013
No Restart After Auto Start/Stop Engages
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.the federal safety agency has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Preliminary Evaluation is being upgraded to an Engineering Analysis, EA25004, to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope for the Engineering Analysis to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaigns. To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to
PE22005
What 2018 Honda Pilot owners say
Most recent owner complaints, unedited.
The contact owned a 2018 Honda Pilot. The contact stated that while driving at an undisclosed speed, the engine was knocking very loudly, and the vehicle lost driving power. The contact attempted to contact the manufacturer. The vehicle was not repaired.
The vehicle started to make some strange noises coming from the engine area. I brought the vehicle to our mechanic, who stated that the engine needs to be replaced. He described the problem as an issue with the piston that is appearing to be common with the shut off system, causing it in this vehicle. He classified as.’Engine has internal knock from wrist pin/rod bearing’. I’m looking at recalls and there are 2018s that appeared to have some sort of rod or piston issue that is under recall. Our particular VIN does not show a recall. This does appear to be a relatively common problem occurring with our model year though.
When I press down on the gas, the car is delayed in responding. This has gotten increasingly worse, at times resulting in near collisions with on-coming traffic. I've reported this to my local dealership (Priority Honda in Chesapeake, Virginia) but they continue to tell me there are no diagnostic codes that allude to there being an issue and will not review it further. When I took a technician for a test drive and was able to replicate it, the technician said that it was normal that the gas was not immediately responsive. The unresponsiveness happens when I'm trying to get initial momentum (starting at a full stop), when I'm changing from reversing to moving forward, and when I'm already in motion and trying to advance speed.
Vehicle was being driven on the interstate going 70-77 mph. First noticed faint knocking sound and loss of ability to accelerate followed by check engine light and multiple system failure notifications. Pulled over on the highway between exits and turned vehicle off to call for assistance. Turned vehicle back on after 10-15 minutes to test, all warnings remained and acceleration was limited but possible. Drove vehicle on side of i70 until reaching an exit and parking for help to arrive. Two children and myself the driver were in the car. Vehicle was inspected and codes ran, but ultimately towed to our local Honda dealership. This event took place on July 18, 2026 causing us to miss a family wedding. The vehicle has been sitting at Penske Honda since then waiting for diagnostic tests to be run, scheduled for August 6.
We were driving from [XXX], to [XXX], on XXX. That morning we'd taken the Honda Pilot in to Xpresso Lube and got an oil change and all fluids checked out. Eight hours into the drive we heard a little clanking and started to pull off the freeway. As we did so, a Low Oil Pressure light came on for a few seconds and then we heard a loud bang and then very loud, rhythmic, clanking noises in the engine as it was losing power. The first mechanic shop we had it towed to diagnosed engine failure, so we had it towed to a Honda Service shop 30 miles away. They said it was a rod bearing and the entire engine needed replacing. Our mileage at the time it entered the Honda shop was 72, 275K. We have done regular, consistent oil changes and maintenance on this car that we bought new in 2019 (a 2018 model). We at first wondered if the wrong oil was put in or if it was a faulty oil filter, but Honda said there was plenty of oil in the engine. We did get a sample of the oil that came out. The filter will be sent in to the manufacturer for quality assessment. Our safety was at risk to some degree, but we were able to pull off the road. The Honda dealership is holding the engine for me and could be inspected.. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
If the auto engine shut off is activated the engine shuts off randomly and it does not restart the engine. The battery needs to be unplugged to reset the electrical system. This happens daily.
2018 Honda Pilot – Engine Failed to Restart During Auto Idle Stop I own a 2018 Honda Pilot that has experienced an intermittent Auto Idle Stop restart failure. Approximately 18 months ago, my Honda dealer performed the Honda service bulletin repair related to the Auto Idle Stop restart issue, including replacement of the starter. More recently, I began experiencing intermittent hard starts after driving the vehicle and allowing it to sit for approximately 10–15 minutes. The battery is new and has tested good multiple times, and no diagnostic trouble codes or check engine light were present. Based on the starting symptoms, the EVAP purge solenoid was replaced. Immediately after that repair, the Auto Idle Stop system began functioning normally again. However, two days later, while stopped at a traffic light, the Auto Idle Stop system shut the engine off as designed. When the vehicle attempted to automatically restart, the engine failed to restart and the vehicle remained disabled in the traffic lane. I had to shift the vehicle into Park and manually restart the engine using the Start button. The engine then started immediately and operated normally. Since that event, the vehicle has continued to exhibit intermittent hot-start hesitation after short drives, although it runs normally once started. This is a significant safety concern because a failure of the Auto Idle Stop system to restart the engine can leave the vehicle disabled in an active traffic lane or intersection, increasing the risk of a rear-end collision or other crash. I am submitting this complaint because the vehicle experienced an Auto Idle Stop restart failure despite having previously received Honda’s repair for this issue, and I believe the condition warrants further investigation.
Honda pilot would not restart after auto ideal engine stop. This issue caused all the warnings lights to come on with blinking engine light! Honda dealer was not able to resolve the issue and ended up paying $1500 even though it was a part of their service bulletin 23-009.
Engine failure , has been confirmed by a shop. It is available for inspection upon request. No previous problems or warning lights. Stalled and put myself and my children at risk of serious injury.
Questions about the 2018 Honda Pilot engine
Does the 2018 Honda Pilot have engine problems?
Owners have filed 163 complaints about the engine of the 2018 Honda Pilot, 37% of all its complaints, more than any other problem.
At what mileage do 2018 Honda Pilot engine problems start?
The typical (median) mileage in owner complaints is 90,000 miles.
Was there a recall on the 2018 Honda Pilot engine?
Yes, 2 recalls: 23V751000, 19V298000. Check your VIN to see if your car still needs the free repair.
What year does the Honda Pilot have bad engine?
The Honda Pilot model years with the most engine complaints are 2016 (826 complaints), 2017 (490 complaints) and 2019 (253 complaints).
Other 2018 Honda Pilot problems
Fuel system 125Electrical 85Transmission 78Acceleration 23Driver assistance 18Body 17Seat belts 12Visibility 11Brakes 10Seats 6Airbags 4Locks 4Steering 4Suspension 4Lights 3Wheels 1
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