Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
75,944 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2009 Honda Odyssey engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2009 Honda Odyssey:

Unsubscribe any time. We don't sell/share your email.

2009 Honda Odyssey Owner Comments

problem #11

Jul 282016


  • 150,000 miles


I just purchased this vehicle on April 19, 2016. I had the oil changed mid June. My wife had a trip to Florida near the end of June, so I checked the oil and it was fine. As of today I heard a knocking sound and checked the oil. It was two quarts low. I filled the oil and the knocking sound remains.

- Hamilton, OH, USA

problem #10

May 132016


  • 59,000 miles
Front and side engine mounts failed at less than 60,000 miles with regular light use and no accidents. Symptoms were clunking of the engine when shifting into gear and starting and stopping.

- Arlington, VA, USA

problem #9

Oct 032015


  • miles
Engine burns excessive amount oil without any warning lights. Slowing eating up the camshaft and valve rocker arm. Casing misfire to the engine and eventually engine stops working. Mine did not have the engine stop, but local mechanic verifies that there is a excessive wear to the camshaft units

- Porter Ranch, CA, USA

problem #8

Sep 282015


  • 120,000 miles


Ivtec 3.5L engine. Touring model. Rear engine mount failure. Aluminum engine mount attachment sheared. No car damage history or abuse. Family car, daily driving around town and highway. Not sure when it failed, but total mileage is 120,000 miles. Owned this car since new. Dealer said the protective boot had torn, and the mount needed replacing. Honda part, $650, completely unreasonable. I bought a part, and replaced it myself, that is when I discovered the part had failed. The dealer refused to remedy the situation, and said engine mounts break all the time. Engine mounts" a primary part of the engine structure" should never fail like this. The part is significantly under designed and should be recalled and reinforced, most likely replace the aluminum with a steel part. Again, not sure when the part failed, could have been that way from the factory for all I know. Have never hit anything or bottomed out the car. Upon inspection of the failed part, it does not appear to be a defect, or fatigue failure, but an overload of the design. I am an engineer and aircraft mechanic. I can give you the failed part if you desire.

- Napa, CA, USA

problem #7

Apr 252015

Odyssey 6-cyl

  • 90,000 miles
While driving on the highway at approximately 70 mph my wife's 2009 Honda Odyssey began to shake as I stepped on the gas the engine light came on and the vehicle lost engine power and I had to manually steer to the side of the highway.. upon opening the hood I could smell that something was burning. The vehicle was towed 79 miles to my mechanic. I was informed that a spark plug blew out completely and a portion of that plug entered the cylinder and damaged the engine. The entire threading of the spark plug was damaged and melted into the engine. I was informed that the entire engine needs to be replaced.

- Lowell, MA, USA

problem #6

Aug 252014


  • 96,852 miles
The contact owns a 2009 Honda Odyssey. The contact stated that while driving at approximately 55 mph, the serpentine belt fractured and the engine stalled without warning. The failure occurred on two occasions. The vehicle was towed to the dealer on two occasions. The technician diagnosed on the second occasion that the serpentine belt needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 96,852.

- Pleasantivile, NY, USA

problem #5

Jun 162013

Odyssey 6-cyl

  • 62,600 miles


Van began to stutter on acceleration and check engine light came on. Took to personal mechanic who diagnosed a mis-fire in cylinder #2. removed spark plug to find it coated with oil and carbon. Says it appears oil is leaking through the engine valve stem seals and coating the plug. He replaced the plug. Have since took it to local Honda dealership and performed an oil consumption test. Over 1 quart consumed in 1200 miles of driving. Have asked that stem seals be replaced under good will but Honda has denied request because service has not been performed at dealership and thus they cannot guarantee workmanship and parts installed. Vehicle continues to consume oil and after checking #2 cylinder plug recently, continues to contaminate spark plugs.

- Beaverton, OR, USA

problem #4

May 142012

Odyssey 6-cyl

  • 88,333 miles
On May 12, 2012, I was driving about 50 mph when the van started to sputter. I came to a red light and the car acted as if it were about to cut off. The check engine light started blinking along with the vsa light. It rode very rough all the way to the closest Honda dealership as I was not in my hometown. They informed me that one of the spark plugs needed to be replaced. I went ahead and replaced all of them to the tune of $308.23. On November 23, 2012, I was driving about 60 mph when the same thing happened. The mileage was 105,001. Again, I was out of town and drove the car to the nearest Honda dealership. They said the #3 spark plug had fouled out. I told them to replace only the #3 plug. On my receipt it says, "retrieved code P0303...misfire #3 cylinder...found spark plug fouled out. Possible faulty valve seals...replaced spark plug and performed PCM software update." That cost me $138.76. On the drive home the air conditioning started to act up. It would run but sometimes it was cold and sometimes the air was not. On November 24, 2012, I took the car to the Honda dealership that I normally use. They couldn't figure out what was wrong with the air conditioning except for a dirty cabin filter. They replaced it and charged me $131.97. However, they said my brakes were worn out. That cost $359.68. Then there was the brake fluid exchange, transmission fluid exchange, and power steering flush. All in all the visit cost me $1049.61. Funny, on November 19, 2012, I had taken the van in for an oil change and they did a courtesy inspection. No mention of brake problem. November 26, 2012, car dead, wouldn't start. They replaced the battery under warranty. December 3, 2012, car dead again. Invoice reads, "A/C clutch relay stuck killing battery making A/C compressor run even when A/C off." Fixed for free due to all the problems.

- Lakeland, FL, USA

problem #3

Jun 012012

Odyssey 6-cyl

  • 65,000 miles
While driving on an interstate at approximately 65-70mph, the check engine light came on and the car began to ride very rough (approximate date of 6/1/2012 at ~65,000 miles). Pulled off the highway and had the car towed to the nearest Honda dealership (as recommended in owners' manual). Service at dealership inspected the car and found the spark plugs to be fouled. Replaced spark plugs (#3 was one), and all seemed fine. The same scenario happened again on January 31, 2013 (at 75,126 miles) - again with no warning the check engine light came on (while driving) and car began to sputter. Had car towed to nearest dealership. Again the spark plugs (#3 specifically) were fouled. Replaced the all spark plugs. Found out that I was two quarts low on oil eventhough the oil had been recently changed (1/7/13 at ~73,000 miles) and no oil was leaking from my car (I.e. no oil spots on driveway, etc...). the same scenario happened again on 5/2/2013 (at 81,320 miles)...check engine light came on (while driving and with no warning), car starts to sputter. I have it towed to nearest dealership, and the spark plug (#3) are found to be fouled again. Again, oil is two quarts low (oil had been changed on 3/21/13 at 78,976 miles). Fix all again and change oil to to an oil consumption test. Test found that my car is consuming at least 1 qt of oil per 1000 miles and that is causing my spark plugs to foul. Honda says my oil consumption is within "normal parameters" and will do nothing to fix the problem. Honda feels that having to add oil every 1000 miles accpetable. I disagree! if I don't check the oil every 1000 miles (and add at least a qt), then I risk driving with no oil which will cause my engine to seize. Also, even adding the oil doesn't resolve frequent spark plug damage causing engine breakdown. This car is unreliable and unsafe!

- Rome, GA, USA

problem #2

Nov 062012

Odyssey 6-cyl

  • 33,599 miles
Engine oil service was performed by independent mechanic at 33,599 miles, who informed that the engine oil level was low prior to draining the crank case. I began monitoring engine oil quantity thereafter. Currently with 39,252 miles on the vehicle the engine oil consumption rate is about 1 quart per 2,500 miles, which seems excessive for an engine with low mileage. This rate equates to consumption of half of the entire crank case between engine oil change cycles. If not monitored and filled the engine may be damaged due to low engine oil quantity and pressure. A significant safety impact is present if the owner is not aware of oil consumption and the engine seizes. The engine is the Honda SOHC vcm, 6-cylinder (V6), gasoline engine.

- Leonardtown, MD, USA

problem #1

Jun 302012

Odyssey 6-cyl

  • 70,000 miles
While opening my tailgate on my Honda Odyssey van yesterday at around 6:00 P.M. it fell down on my head. What would cause that to happen? I did not do anything to try and fix it. The dealership was closed.

- Killeen, TX, USA

Not what you are looking for?