2017 Honda Pilot: misfire or rough idle

Filed Aug 6, 2026 · Engine · WI

2026-08-06 ~7:50AM check engine light came on/flashed while entering freeway, car generally ran as normal though felt as if cylinder was not firing (two weeks prior had regular maintanance and all spark plugs were replaced, assumed this was related to that). Dropped daughter off at camp turned off vehicle. 2026-08-06 ~8:05AM restarted vehicle, check engine light did not come on. Engine ran as normal, proceeded to drive towards dealership. 2026-08-06 ~8:25AM entered freeway, check engine light and many other warnings came on (rolling display of errors), engine limited to low RPMs and ~30MPH. 2026-08-06 ~8:30AM called honda dealership to let them know I was coming in. 2026-08-06 ~8:40AM Service manager utilized OBD port which provided initial code of misfire on cylinder 5. 2026-08-06 Dealership subsequently determined the engine had "spun a rod bearing". Honda recommended service "Replace Short Block"

Filed May 14, 2026 · Engine · FL

Driving to work on the highway and the Honda pilot suddenly slowed and stopped accelerating, started riding rough and making a loud whistling blowing noise. Check engine light was suddenly flashing. I was able to pull over into a lane split zone before being hit by all the traffic going around and bumping horns at me. I was terrified but thankful to be alive. I want in a good spot though, cars and big trucks were still speeding by pretty close to me. I started inside and called AAA. I tried turning on the car but it just made a fast tapping noise. AAA worked to safely get me out and tow the car to the mechanic my wife and I chose. The mechanic ran a diagnostic report that says p0306 misfire in cylinder 6, and tear in inlet air boot. They said there is an engine problem that they don't service. We towed it to the Honda dealership. Late the next day the mechanic at Honda says we have an engine problem that is not due to the codes on the diagnostic report and is not covered under warranty and costs $7000 for labor and with a rebuilt engine, about 11k to $15k total. He says the engine was seized. He said it initially had no power, then they jumped and put a battery and the engine just made a thud sound. He said he could not generate another diagnostic report because he couldn't get the engine to turn on. We told him we saw that the engine problem was a known issue and that Honda was extending warrantees to 150k and 10yr and could he see if we were haven't that same problem. He said that problem was minor and only covered a few new parts, not the whole engine. I asked why was pep boys able to get a diagnostic and he could not. He said he doesn't know why the engine seized between pep boys and being checked at Honda. He said maybe the previous mechanic did something wrong. Now we have no car and have already purchased a 3rd Honda not even knowing we were driving around a death trap. The Honda dealership that sold us the accord didn't even warn us. We could have died.

Filed May 11, 2026 · Engine, Transmission · NC

On Thursday May 7th, while driving the 2017 Honda Pilot Elite it lost power and all the dash lights started to come on. Once we limped it to our home, and the code information was obtained, it revealed number 3-cylinder misfire. After replacing all the spark plugs, I started the car to make sure all the codes were cleared and heard a "knocking noise". After further investigation noted the following, I found the following information via a Google search, is there a recall for 2017 Honda Pilot knocking noise. Found that the federal safety agency is doing a major investigation on the 2017 Honda Pilot for a connecting rod and knocking noise. Honda did a recall in 2023 for the year model 2016, 2018-2019. This is the same engine that was in the recall for doing the same thing. the federal safety agency is currently investigating a potential recall of 1.4 million Honda and Acura vehicles, including 2017 Honda Pilots, over engine failures linked to connecting rod bearing defects that can cause knocking, stalling, or complete engine failure. credit Autoblog+2. Scope of the Investigation Models affected: 2016–2020 Honda Pilot, 2017–2019 Honda Ridgeline, 2018–2020 Honda Odyssey, 2018–2020 Acura TLX and MDX Honda-Tech+1. Engine type: Honda’s 3.5‑liter J35Y V6, which has been under scrutiny for rod bearing wear leading to catastrophic engine damage Honda-Tech+1. Failure symptoms: Knocking noises, sudden stalling, loss of power, and in some cases, fires or crashes Autoblog+2. Reports: Over 400 incidents of engine failure, with at least four involving crashes or fires; Honda has logged more than 2,500 warranty claims for the iss The oil had been changed at the correct intervals, no oil is leaking from the car, the timing chain and water pump were replaced at 100,000 miles with no issues. No metallic shavings are noted on the oil dip stick, and it has 50% oil life remaining as of 05-09-2026. I have it scheduled for a diagnostic service with Flow Honda in Winston Salem, NC tomorrow, May 12th at 0800.

Filed Apr 13, 2026 · Engine · WY

Over the past couple of months the the vehicle has been "throwing" misfiring cylinder errors, particularly cylinder 4 (P0304) and every once in a while cylinder 1 (P0301), and a catalytic converter bank 2 error (P0430). Last week, I filled up with premium fuel and added a catalytic cleaner. This eliminated the P0430 error and reduced the frequency of the P0304 error. Yesterday ([XXX]) we were driving from Casper, WY to Gillette, WY for a volleyball tournament. About 35 miles into the trip, we were travelling at a speed of 72 mph when the tires squealed, accompanied by metal clanging and extreme vibration in the engine; the car nearly came to a complete stop. I was able to maintain control of the vehicle and pull off to the side of the road. I looked down at the console display and noticed that the check engine light was blinking. I connected an OBDII scanner and observed a P0304 error. I then tried to pull forward slowly and the car barely moved and the engine clanging and vibration persisted. At that point I turned off the engine and called a tow truck; I also called my son to pick up my daughter and take her to her volleyball tournament. While waiting for the two truck, I attempted to start the car so I could run the OBDII scanner again. The car would not start. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Dec 16, 2025 · Engine · IL

Vehicle: 2017 Honda Pilot VIN: [XXX] Mileage at incident: ~137,800 miles Description of the problem: My 2017 Honda Pilot has experienced repeated engine misfire issues involving cylinder 5 following a major engine repair performed by an authorized Honda dealership. On September 22, 2025, Honda of Kenosha, WI performed a camshaft and camshaft thrust cover repair on my vehicle at a cost of approximately $4,080. The dealership documented in the repair order that the camshaft thrust cover was not torqued to specification and that the engine misfired immediately after the repair. On December 5, 2025, approximately 44 days later, the vehicle was returned to the same dealership due to slow cold starts and warning lights. During the initial diagnostic at drop-off, the dealer documented a stored P0305 trouble code indicating a cylinder 5 misfire, which is the same cylinder involved after the prior camshaft/thrust cover repair. The dealership recommended and performed a battery replacement after a load test showed low reserve capacity. After replacement, the technician later confirmed that the battery was not the cause of the cylinder 5 misfire. The diagnostic codes were cleared, and the issue was described as intermittent. During the same visit, the dealer documented a tear in the lower portion of the engine air intake flex tube and evidence of a small rodent nest under the engine cover. However, the dealer also documented that no hoses, wiring, connectors, or sensors showed signs of damage. The dealer stated that the intake tear could cause random lean conditions and misfires, but this does not explain the cylinder-specific P0305 misfire that was present at drop-off. The misfire issue is intermittent and most noticeable on cold start. The condition has caused sluggish engine response and concern about potential stalling or loss of power, which could pose a safety risk during driving, especially in traffic or intersections. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Feb 25, 2025 · Engine · 117,000 miles · TN

The contact owns a 2017 Honda Pilot. The contact stated while driving at an undisclosed speed, the vehicle stalled, and the engine was misfiring with several unknown warning lights illuminated. The vehicle was able to be restarted. The vehicle was taken to an independent mechanic where it was diagnosed that the camshaft had failed and needed to be replaced. The vehicle was not repaired. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 117,000.

Filed Jan 8, 2025 · Engine · KS

Emissions system error repeatedly produced leading to ultimate engine failure. The initial error was fixed by a mechanic. Within 6 months the light was back on accompanied by a loud knocking in the engine. The check engine light indicated a misfire on cylinder one, the ignition coil was replaced, and the problem persisted. The vehicle was taken to the mechanic where they determined the lower part of the engine was failing and that it would need complete replacement. Vehicle is still in my possession as I'm not sure what to do with it. The vehicle has 135k miles on it.

Filed Dec 28, 2024 · Engine, Fuel system · MO

I purchased my 2017 Pilot new from Honda. Around 10,000 miles a code appeared and said Emissions problem and a picture of my engine. I immediately called Honda and took in to service dept. They said my fuel injectors need to be replaced and gave me an extended 150,000 warranty on injectors. Everything ok for awhile…until I hit around 60,000 to 80,000. The emissions engine light came on suddenly then after a few drives/ turning off then on engine it went away. I talked to Honda about this concern they said if light not staying on could be nothing more than a misfire or need to do a tune up. I did the required tuneup …. Emissions engine light still appearing off and on. Now the emissions engine light hardly goes off and has been doing this since around 117,000 miles and I just recently having issues with key faub auto start working since this engine light on … it now won’t work. I took to Honda again recently and they wanted to do the diagnostic test to see for sure the codes. Honda still can’t determine what the issue is… Honda says my injectors, catalytic converter passed the tests. Honda at a loss and so am I. I’m afraid my engine could fail me while driving with my family .., and I take my car to the place that should be able to fix and they don’t even know what’s causing the engine problems.

Filed Nov 27, 2024 · Engine · 154,000 miles · CA

The contact owns a 2017 Honda Pilot. The contact stated while driving 40-45 MPH, several unknown warning lights and sensor lights were illuminated. The vehicle lost motive power and stalled. Additionally, the contact stated that the vehicle made an abnormal chirping and knocking sound while starting. The contact stated that the failure was related to the federal safety agency Action Number: RQ24013 (Engine). The vehicle was towed to the local dealer, where it was determined that the engine had misfired, and the dealer replaced the spark plugs. Additionally, the dealer also diagnosed the vehicle with a fractured rod bearing in cylinder #1 and a crankshaft failure. The dealer determined that the engine assembly needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 154,000.

Filed Nov 19, 2024 · Engine, Fuel system · LA

engine misfires, rough idling, decreased fuel economy, and a check engine light due to potential clogging or wear within the injectors, sometimes caused by debris from the high-pressure fuel pump

Filed Aug 12, 2024 · Engine · AZ

Engine spun connecting rod bearing on Cylinder 1 just as described in TSB 23-097. Car shutoff going highway speeds on the interstate. The car is currently at the honda dealer getting an engine replacement. Honda OEM certified powertrain warranty will only put a used engine with potentially the same issue in the vehicle Check engine light, and transmission problem lights all came on. Engine initially reported a misfire and transmission complained of not enough torque coming from the engine.

Filed Jan 15, 2024 · Engine · NY

I've had the engine and catalytic convertors fail on my 2017 Honda Pilot which is equipped with the J35Y6 engine. It is currently available for inspection as the vehicle sits unable to be driven safely from place to place. The vehicle is unable to be driven or carry passengers safely due to a constant misfire in the engine. This problem has been reproduced multiple times by an independent service center which had the vehicle for 3 weeks. No governmental agency or insurance representative has inspected the engine for failure. There were warning lamps that would come in and then clear on their own up and till the engine failure. The warning lamps would first appear while driving at highway speeds and then gradually started showing up while driving in city traffic.