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Catalytic Convertor Problems of Toyota Corolla



Toyota Corolla owners have reported 32 problems related to catalytic convertor (under the engine and engine cooling category).

car image   Catalytic Convertor problem of the 2000 Toyota Corolla 1
Failure Date: 10/01/2013

Excessive oil consumption issue on our 2000 Toyota Corolla. Check engine light is on and indicates needing a new catalytic convertor. However, that is an effect of the cause of excessive burning of oil. I add approx 1-2 quarts of oil every 250-400 miles. If highway driving, I easily add 1 quart of oil every 100 miles of driving. This appears to be an issue with 1zz-fe 1. 8l engines from 1998-2002 based on numerous complaints of exactly the same issue. Since this condition does not manifest itself until out of the powertrain warranty, this will never be a warranty or recall issue unless Toyota admits there was a design flaw.

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car image   Catalytic Convertor problem of the 2007 Toyota Corolla 2
Failure Date: 08/01/2010

The contact owns a 2007 Toyota Corolla. The contact stated that the vehicle would hesitate to accelerate at all speeds. The failure progressed until the vehicle stopped accelerating completely. The vehicle was taken to an authorized dealer and the contact was informed that the catalytic converter needed to be replaced. The vehicle was repaired. The failure recurred approximately one year later. The vehicle was taken back to the authorized dealer and the contact was again informed that the catalytic converter needed to be replaced. The vehicle was repaired. The failure continued. The manufacturer was not made aware of the failure. The failure mileage was 43,000.

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car image   Catalytic Convertor problem of the 2008 Toyota Corolla 3
Failure Date: 11/10/2009

S10 appropriate handling-memo to the secretary from -petition for an investigation into Toyota's safety system failures (full document not imaged) the consumer hit a large dear and the air bags failed to deploy. The consumer stated as he saw the deer, he immediately removed his foot from the accelerator to slow down, but the vehicle did not respond, so he tried to maintain the speed he had been driving. The consumer applied both feet to the brake pedal in an effort to stop the vehicle, but it was too late. Prior to the accident, the catalytic converter failed. The dealer stated a sensor was stuck which caused it to fail.

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car image   Catalytic Convertor problem of the 2003 Toyota Corolla 4
Failure Date: 11/14/2008

The contact owns a 2003 Toyota Corolla. The contact stated that he was having problems with the catalytic converter failing and leaking oil. The catalytic converter was replaced two years ago and now it had failed again and needed to be replaced for $1200. The vehicle was taken to the dealer where they reiterate that this failure needed to be replaced. There were no related recalls. The Toyota manufacturer was not called. The failure mileage was 69,000 and the current mileage was 100,000.

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car image   Catalytic Convertor problem of the 2003 Toyota Corolla 5
Failure Date: 07/29/2007

The contact owns a 2003 Toyota Corolla. The contact stated that the check engine light illuminated while driving 35 mph. The mechanic stated that the catalytic converter was defective. The vehicle was taken to the dealer and they stated that the vehicle was no longer under warranty and would not be repaired for free. The dealer did not question that the catalytic converter failed and wrote up the repair order. The current mileage was 93,450 and failure mileage was 93,400.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 6
Failure Date: 06/04/2007

Sulfur odor/catalytic converter; original catalytic converter replaced by Toyota service department in maryland at 69308 miles covered by warranty on 4/8/05. Check engine light turned on again on 5/30/07, went off by itself on 5/31/07. Took vehicle to Toyota service department in pennsylvania on 6/4/07 for service. Catalytic converter failed again at 134939 miles. Annual inspection and emissions due by October 2007, and repair quote for the third catalytic converter was over $1200. 00. Concerned not only about cost of the repair, but what was causing the 2003 Toyota Corolla to need another catalytic converter. Regular maintenance was performed on vehicle, and it was used mostly for errands and commuting to and from work.


car image   Catalytic Convertor problem of the 2000 Toyota Corolla 7
Failure Date: 04/10/2007

Motor defect - the millions of Toyota vehicles with this motor defect destroying our air. . . Exceeding known pollution limits. You must recall these motors, and have Toyota fix them. They refuse to fix mine. . . How many millions of vehicles will you allow to destroy the air we breathe? this motor burns and dumps out the exhaust 3 quarts of oil every 200 miles. It has coated the O2 sensor. . . It has destroyed the catalytic converter. . . How much oil needs to be dumped into the catalytic converter before a fire starts? it is a known motor defect. Why have you not recalled. They will not fix this motor. . . How many vehicles will you allow to do this? please save our cities!.

car image   Catalytic Convertor problem of the 2001 Toyota Corolla 8
Failure Date: 12/15/2006

My check engine light of my 2001 Toyota Corolla le repeatedly comes on. When checked it states there's an problem with the O2 sensors or converter system. I have had these replaced several times. I am told other years of the Toyota Corolla have been recalled for this problem. Several mechanics have stated the sensors are too close together and thus the check engine light gets triggered on. I have spent thousands of dollars replacing both O2 sensors three times, and the converter at least twice and the check engine light still comes on with the same codes for these same issues.

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car image   Catalytic Convertor problem of the 2001 Toyota Corolla 9
Failure Date: 04/19/2006

: the contact stated the check engine light illuminated when the engine was started. The vehicle was taken to the dealer who determined the catalytic converter needed to be replaced.

car image   Catalytic Convertor problem of the 1999 Toyota Corolla 10
Failure Date: 06/06/2005

My 1999 Toyota Corolla has its check engine light on for the two years. The code is p0446/0441 and when winter comes it goes away and re appears in summer. I first noticed that around 36000 miles. The dealer says it is a canister problem, but could be something else and I see that there a lot of Toyota owners who are seeing the same compliant. Also for the last 2 days I see that the seat belt not put sign start to flash even if you have the seat belt on.

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car image   Catalytic Convertor problem of the 2004 Toyota Corolla 11
Failure Date: 01/04/2005

Vehicle is having a problem with the catalytic converter. Owner took the vehicle to the dealer and had the problem diagnosed. However, the dealer was not willing to assist the owner and told the owner that she'll have to live with it. Provide further details. The consumer continued to complain of a rotten egg smell. The dealers response was a high sulfur content in the fuel that could not be fully eliminated.

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car image   Catalytic Convertor problem of the 2004 Toyota Corolla 12
Failure Date: 12/24/2004

Car has rotten egg smel when heat is turned on. Contacted Toyota and was told that it's a consequence of the gas and that they will try to fix it but that it will probably not work. This is unacceptable after paying for a new car.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 13
Failure Date: 02/24/2004

Exhuast from car comes into car a sulfur smell which makes passengers ill. Toyota blames gas and will do nothing to correct problem.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 14
Failure Date: 01/24/2004

Bought the car new on 8/30/03. Has had a sulphur gas smell at low speed & when stopped in traffic inside the car. This happens with the windows up & either heat or air conditioning on. It makes no difference when the controls are set to recirculate inside air instead of fresh air intake. Called dealer 1st time, they said catalytic converter needed to burn in some. After some time, the smell hadn't changed, I took it to their service dept. They found no problem, said to try a different brand of gas & also try higher octane. I have tried all the major brands of gas & mid-grade & premium gas (which the owners manual said is not required), with no change noticed. We called Toyota customer service, who said to call the dealer customer service, which we did twice with no response. Called Toyota customer service back with this information & they said we could try arbitration but they had not seen the manfacturer do anything for this problem. This is an ongoing problem & extended intake of sulphur fumes cannot be healthy for anyone. The incident date is the date the dealer checked the car.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 15
Failure Date: 01/01/2004

I bought a 2004 Toyota Corolla from team Toyota. It started emitting a rotten egg smell. We took it to the dealer on the first occurrence and we were guaranteed the smell would go away after the first 5000 miles. I thought that sounded fishy, so I did some research online. I found that many Toyotas are emitting the rotten egg smell. So I contacted the dealer again. I told him about my findings. I also told them how aggravated I was with them about lying to me. Low and behold they were aware of the problem the asked me to bring the car in again to be checked. After the car was looked at a second time. I was told that Toyota was aware of the problem and that it was the gas and that they are not going to address this issue with me any more. I was even given a letter stating Toyotas stance on the rotten egg\sulfur smell issue. I have since contacted a lawyer and Im in the process of suing. (there is more to the story but you get the idea). After more research I have found that: epa has been made aware of concerns regarding sulfur odors. It is my understanding that in 2002/2003 Toyota replaced the nickel based catalytic converter lining with a non-nickel containing compound in order to reduce the exposure of its employees. Nickel is a toxic compound. We believe that new lining currently in use, specifically in 2003 and later Toyota models, does not handle the sulfur in gasoline as well as the former nickel compound. Therefore resulting in the sulfur odor you are noticing in your vehicle.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 16
Failure Date: 12/15/2003

When car is running exhaust produces rotten egg smell which when vent is on comes into car. Brought car to dealership and told condition is normal for this model and would not correct under warranty. I find this answer unacceptable that I should drive a new car that emits rotten egg smell as normal.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 17
Failure Date: 12/01/2003

Strong sulfur smell when vehicle is stopped at a light.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 18
Failure Date: 11/01/2003

Since I got my car it has had a strong bad egg smell. When I questioned the dealer they said they knew nothing about it even though I have seen that others have complained about the same thing.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 19
Failure Date: 10/30/2003

Car making knocking noise in engine. Took car to dealership and was advised that there was sludge in the engine. I was told it was from not receiving oil changes on time. The car only has 22,456 miles, and I have had 3 oil changes. They tell me I will need a new engine. I just bought this car in March 2002. The car also has a rotten egg smell.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 20
Failure Date: 09/13/2003

2004 Toyota Corolla: emission of hydrogen sulfide gas from exhaust system.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 21
Failure Date: 08/05/2003

We are continuously experiencing problems with our Toyota Corolla (2003) creating a "rotten egg" smell. We have complained multiple times to Toyota, including filing a complaint with their national headquarters. We have been told 1)the smell is normal, 2) we're using the wrong type of gas (we have tried all kinds) and 3) we need to run the car with the air recirculating at all times. We also do not get the gas mileage as expected. We are generally getting 29 mpg with mostly interstate driving. The two may be related. This started last fall shortly after purchase. The purchase date is listed below.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 22
Failure Date: 07/24/2003

Rotten egg smell when idling.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 23
Failure Date: 04/01/2003

My wife purchased a 2003 Toyota Corolla. She purchased it because of its implied economy. But despite the owner's manual claims that the car can use 1987 octane or higher, such is not the case. In two words, rotten eggs. In two other words, hydrogen sulfide. As we decelerate for any reason, if the windows are open, or if the ventilation system is set to intake outside air, the odor of rotten eggs is overpowering. (note that if the airflow pattern control is turned to either partial or total windshield defrost, the control will automatically enforce fresh, outside air intake. ) when I took it to the dealer, the service manager didn't bat an eyelash. Just opened a drawer and pulled out a sheet of paper which states that tmc assumes no responsibility for the problem, and will do nothing to remedy it. The paper further suggests that I should change brands of gasoline (we had already tried that) or change to a higher grade of gasoline. The dealer refused to write up the problem on a report. Searching the web, I tripped into an edmunds. Com web site. . Read more...

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 24
Failure Date: 02/10/2003

After I had begun driving my 2003 Corolla I smelled a terrible odor in the car. This continued (and still does) but, I was able to identify the odor. . . Eggs/sulfur. It only begins to fade after a few miles. It occurs every time I drive. I notified Toyota who referred me to the dealership. Koons said it's a known issue, but nothing can be done. Something to do with emissions. I drove a 2003 highlander and did not experience this. Also, an awful draft comes through the driver's side control (power windows/locks) panel. I've also noticed a sudden surge when stopped at a light. Thanks.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 25
Failure Date: 02/09/2003

Strong sulfur odor from exhast. Service department has said it cannot be repaired, and blames bad gas. Did say Toyota has acknowledged the problem. I have tested several brands and grades of gas with no improvements. Directly contacted Toyota, who referred me back to the dealer, who said it cannot be fixed. Said car computer is functioning normally.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 26
Failure Date: 12/01/2002

In November 2002, I purchased a Toyota Corolla 2003. When the heat is on, the car emits a nauseating rotten egg smell through the vents. I brought the Corolla into a Toyota dealer to have this problem fixed. Immediately, the Toyota representative handed me a memo explaining that this "rotten egg" smell (as they also referred to it) can occur from low-octane brands and that it had nothing to do with the car itself. This advice contradicted what the salesman told me when I purchased the car -- that I could use 87 octane gasoline. I assume that this is a common problem since they had a memo ready for Corolla owners with this specific complaint. However, for several months I have been pumping 89-93 octane gasoline into my car with no luck -- the smell still exists.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 27
Failure Date: 10/01/2002

Bad rotten egg smell ever since I purchased my 2003 Toyota Corolla. I have contacted Toyota and they say it's my gas, but I've had two other Toyota's that have never done this and I've used the same gas in them. This is getting on my nerves that I purchased a new car and have to continually smell this odor and they won't do anything about it.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 28
Failure Date: 09/06/2002

My 2003 Corolla has a rotten egg smell, especially when I am stopped, and it has been going on since I got the car. The dealer said to change gas and it would probably wear off, but it hasn't and I have been reading on the internet that other people are complaining about this, so I'm not the only one. Also, when I am stopped, sometimes the Corolla will surge forward. I read where someone else is having the same problem about this, too. I am ready to trade this car because I didn't buy a brand new car to smell this continually. It is very disturbing and may be unsafe smelling the emissions from this.

car image   Catalytic Convertor problem of the 2003 Toyota Corolla 29
Failure Date: 08/01/2002

Bad smell inside and outside of car when running engine.

car image   Catalytic Convertor problem of the 2002 Toyota Corolla 30

"there is an off gassing of chemical in vehicle that is causing an irritation to consumer respiratory system".

See all problems of the 2002 Toyota Corolla.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 31

While driving, consumer would smelled a rotten egg odor. It made the consumer very ill. Consumer wrote a letter to manufacturer, but manufacturer did not respond.

car image   Catalytic Convertor problem of the 2004 Toyota Corolla 32

There is a sulfur smell when the heater is blowing , and when the engine is shut off. Took vehicle to the dealer, and dealer claimed something was in the gas.


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