Engine Exhaust System problems of the 2003 Toyota Corolla

31 problems related to engine exhaust system have been reported for the 2003 Toyota Corolla. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Corolla based on all problems reported for the 2003 Corolla.

1 Engine Exhaust System problem

Failure Date: 09/15/2009

The check engine light came on, the diagnostic said it was the O2 sensor which was replaced. The light went out and came back on again the next day. A mechanic checked it and said it was the catalytic converter. I read where catalytic converters don't go bad by themselves, therefore the problem has to stem from a manufactures defect and we should not have to pay for continual repairs.

2 Engine Exhaust System problem

Failure Date: 08/14/2009

I purchased a used 2003 Corolla. Vehicle came with all service records and it had been well maintained. I also checked all fluids. Mileage was 133,065 at the time I purchased it. I thought this was good because Toyotas are suppose to last forever, right? a week after I bought it I noticed a knocking in the engine. I checked the oil and it was out. I have to put 3-4 quarts of oil in my car every 7-8 days. It does not leak, it burns it. The engine needs to be replaced. The emissions light stays on and I have also lost a hubcap cover. I've noticed that every other 03 Corolla I pass on road is also missing at least one. After reading the complaints on here, I am very concerned and know I will never by Toyota again.

3 Engine Exhaust System problem

Failure Date: 04/01/2009

2003- Toyota Corolla - check engine light came on about 2 years ago and was reset, just recently came on in April 2009 and not the catalytic converter needs to be replaced. Currently has 119,000 miles on it and needs to have the catalytic converter replaced.

4 Engine Exhaust System problem

Failure Date: 02/25/2008

I bought my 2003 Toyota Corolla from a Toyota dealership, took it home, and it began stinking like rotten eggs. I called the service department and they told me to buy more expensive gas that contains less sulfur. Four years of buying expensive gasoline, and I find out my catalytic converter has burned up and I need a new one for $1200. I found out that catalytic converters can be damaged if fuel is being mixed to richly, evident by a sulfur smell. . Read more...

5 Engine Exhaust System problem

Failure Date: 04/26/2007

I have a 2003 Toyota Corolla and I took it to the dealership for its 105,000 mile service. Part of the service was to replace the oil. I left the dealership after the service and the car was ok. I drove it for about 45 minutes. It sat for about 3 hours and when I left I drove it for about 30 minutes and then there was a loud clanking and banging from the engine. I had it towed to the dealership and they say I need a new engine. There has been no oil leak or black smoke from the exhaust. I had an oil leak around 96,000 miles that I took to the dealership and they fixed. Although I had to take it back because they did not fix it properly the first time. I feel there has been some error on their part and they are not willing to get into the engine and see if there is something wrong and just want me to replace the engine no questions asked.

6 Engine Exhaust System problem

Failure Date: 03/05/2007

Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6) purchased 2003, Toyota, Corolla, VIN: [xxx] with daughter. Veh was purchased from Toyota of orange in CA. Two days later a hit and run driver forced veh to skid across five lanes on interstate 10 in ontario, CA, and landed atop center divider. The vehicle was sent to repair shop and "repaired" after approximately 5-8 months. However, the car was never properly repaired, and I complained to both Toyota , and to the insurance company, allstate, but Toyota adamantly stated the veh was without problems. The car was continually in the shop for the brakes. Eventually the carpet caused the accelerator to become stuck and the car went out of control. I was forced to reach down while the car moving and pull the carpet with both hands to release the accelerator. Stepping on the brakes did not help. Neither Toyota repair nor allstate would help resolve our complaints since 2003, we were simply told that the veh was fine. Additionally I believe the frame is bent, lack of interlocking brakes causing skids, brakes are soft and drop to floor, and poor steering column. This car is dangerous and is impossible to drive without involving near miss accident episodes. The car skids if going as little as 5-10 miles per hour. I offered to give the car away to anyone who was willing to investigate my complaints, all to no avail. I just recently learned that one of the problems I heard in the brand new car was a hole in the exhaust system. Toyota continually denied this for 5-6 years, then by accident a very young newly employed staff at Toyota of orange, informed us that our complaint about loud air sounding noise was a hole in the exhaust, which had been continually making the noise, and burning of eyes (migraines). The brakes were repaired every 2-4 months or less until I just reported less frequently. The car is now no longer under warranty. Currently it needs some brakes, rotors, drums, calipers, and shocks as always.

7 Engine Exhaust System problem

Failure Date: 11/01/2005

Consumer complaint regarding fumes entering through the air vents. *** no answer required*** updated 11/7/2005 - the consumer has had this problem since the vehicle was purchased new. The manufacturer instructed the consumer to take the vehicle to the dealer. The vehicle was taken to the dealer several times but they refused to fix the vehicle stating that fumes entering the vehicle was normal.

8 Engine Exhaust System problem

Failure Date: 05/10/2005

I purchase my Toyota pre-owned with 46,000 miles on it odometer. A short while after the purchase the engine light came on. I called the car dealership to find out why the engine light was on. The agent stated that my gas cap may not be tight enough. I tightened my gas cap and the light when off for about 20 minutes. It never caused any problems in the performance of the car. However, when I went to get it smogged for the first time, it would not pass smog. The mechanic at the Toyota dealership stated that it needed a catalytic converter and that it would cost around $1,800 to replace. Therefore, I had to go the referee to get a 2 year waiver on my smog. I am a single mom with 2 special needs kids, I cannot go without a car. My car will be going on the next year soon. I would like to know if there is any funding to help with repairs when the problem is due to manufacturing defects. I know that this is a factory issue because I have read many complaints from other Toyota customers who have had the same exact problem with the same model year car.

9 Engine Exhaust System problem

Failure Date: 12/20/2004

Rotten egg smell and many structural defects in this car.

10 Engine Exhaust System problem

Failure Date: 11/28/2003

Consumer stated while driving at any speed smelled strong chemical fumes. Dealer inspected vehicle and could not duplicate or correct the problem.

11 Engine Exhaust System problem

Failure Date: 11/12/2003

Have noticed a strong sulfur/rotten egg smell from the exhaust that enters the inside of the car. I took it to the dealer and was told to change my brand of gas. No changes have been noticed.

12 Engine Exhaust System problem

Failure Date: 11/10/2003

Car emits a rotten egg smell while at idle when heater is on.

13 Engine Exhaust System problem

Failure Date: 08/19/2003

This complaint regards the terrible smell emitted by my 2003 Toyota Corolla. The very strong smell fills the entire car, and often lasts several minutes. I do not know if the smell is harmful or not, but there should be something that Toyota can do to fix the problem.

14 Engine Exhaust System problem

Failure Date: 08/01/2003

I own a 2003 Toyota Corolla le that emits a rotten egg smell when the engine is on and the car is idling.

15 Engine Exhaust System problem

Failure Date: 07/14/2003

Consumer states while driving at any speed smelled strong chemical fumes in the passenger compartment. Dealer has been notified.

16 Engine Exhaust System problem

Failure Date: 07/12/2003

While driving the vehicle the driver would smell a rotten egg smell. The dealership has been contacted. Both of the consumer Toyota Corollas exhibited a rotten egg/fuel smell. The smell caused the consumer to feel nauseated while driving. The consumer believes the problem is with the catalytic converter. The consumer went through arbitration but was denied her request for the manufacturer to replace or repurchase the vehicle. (second vehicle's VIN- jt0br32e632016592 - purchased 5-27-03).

17 Engine Exhaust System problem

Failure Date: 05/01/2003

Strong sulfur odor enters vehicle, presumably exhaust gases.

18 Engine Exhaust System problem

Failure Date: 04/26/2003

Since leasing my 2003 Toyota Corolla in March of 2003, I have experienced a rotten egg smell whenever the car is used. I brought it to the dealer (plaza auto mall) where I leased it from to have it checked out on 4/26/03. Technician found "no problems, everything operating normally at this time". On 6/2/04 I called Toyota customer assistance and explained the foul odor smell. I was told the problem stems from a gasoline issue and that new Toyotas are so efficenient at burning fuel that they also burn up contaminants in the fuel that were normally released into the atmosphere. They in turn forwarded my complaint to corporate customer relations. (complaint #200306020751) on 6/3/03 my dealership called to explain again what I had been told by customer relations and that there was nothing they could do at this time. He suggested trying a different brand of gas which I have done several times with no success with the foul odor smell.

19 Engine Exhaust System problem

Failure Date: 03/24/2003

There is a very foul sulfur smell that regularly enters the inside of my vehicle.

20 Engine Exhaust System problem

Failure Date: 03/11/2003

There was a sulfur smell inside the vehicle.

21 Engine Exhaust System problem

Failure Date: 03/11/2003

Strong sulfur smell while sitting in traffic.

22 Engine Exhaust System problem

Failure Date: 01/15/2003

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 87 octane or higher, such is not the case. In two words, rotten eggs. In two other words, hydrogen sulfide. As we decelerate to a stop light or sign, if the windows are open, or 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. I can attest, the rotten egg odor doesn't abate if 87 octane fuel is used - even amoco which purports to be better than the rest. Searching these topics via google, I found a discussion suggesting that the cause was/is a catalytic converter running too hot - probably due to its proximity to the exhaust manifold. Sure enough, this vehicle has the first catalytic converter (there are two, in tandem) is coupled directly to the exhaust manifold. Further, there is no room to move the unit back, and, since the entire exhaust system is welded, any modifications to it would probably negate my warranty. My '88 Corolla uses the same 87 octane fuels, from the same brands (that we've tried on the '03 Corolla) and does not have this problem. Consumers deserve a better product than this. My son's '02 Honda civic doesn't seem to have this problem. Why should we - and our fellow road users behind us and to the sides of us - be forced to tolerate this deplorable stench?.

23 Engine Exhaust System problem

Failure Date: 01/01/2003

Fumes entering the inside of the vehicle through air vents. This problem is with the vehicle from the beginning when it was bought new and until now. The manufacturers instructions were to bring vehicle to dealers. Vehicle was brought to dealers for repair but dealers could not fix the defect.

24 Engine Exhaust System problem

Failure Date: 11/15/2002

Purchased car new on 10/4/02. Within a month noticed a very significant sulfar odor expecially when coming to a stop at traffic lights particularly when the engine is cold. I have taken it to the dealer twice and they tell me that nothing is wrong. Their explanation is that some gas stations put additives in their gas that create this odor. . They have done nothing further to solve this problem.

25 Engine Exhaust System problem

Failure Date: 09/21/2002

(1) rotten-egg smell from day 1 (purchased 9/2002) w/ cooling or heating system function. Dealer told me to switch octane and do not use recirculation - no improvement. (2) in 11/2003, daytime running lights came on in middle of night, drained battery. Dealer said TSB had been released - part ordered & installed to correct problem. (3) in 1/2004, leaking oil from under car, right front passenger's side - dealer said right front strut leaking & "completely blown. " had to be replaced & car required subsequent alignment.

26 Engine Exhaust System problem

Failure Date: 08/15/2002

Rotten egg smell- poor gas mileage (29 mpg- mostly highway/interstate) we have a problem with a rotten egg smell. We have complained and were told the following: 1) there's nothing wrong- it operating correctly. 2) you're running the wrong type of gas (we've tried all types) 3) you need to run the car on recirculation all the time so that you won't smell it.

27 Engine Exhaust System problem

Failure Date: 04/30/2002

In our 2003 Toyota Corolla, exhast fumes with a sulfurous smell often vent into the passenger compartment. Toyota claims that this is a problem with the gasoline, not the exhaust system. In other words, when the car is functioning properly, it is supposed to draw exhaust into the interior of the car, it is just not supposed to be noticeable. The national center for dispute settlement agrees.

28 Engine Exhaust System problem

Failure Date: 03/15/2002

This model is a 2003 bought in March 2002. There a strong smell of sulphur/rotten egg when engine cold or car climbs a hill. Duration about 5 minutes. Toyota's explanation: it is caused by the sulphur in gas , problem will vanish over time, no remedy exists, catalytic converter build as per specs and standards. The smell persists today a year and a half later. Any technical reasons you know , anything that Toyota could do and is not doing ? thanks.

29 Engine Exhaust System problem

Failure Date: 01/01/1901

2003 Toyota Corolla heating system emits a rotten odor when activated. Since purchase of vehicle when the heating system is on there is an intermittent sulfur (rotten egg) odor emitted. Consumer stated, thought this was something that would eventually burn off, but it continues to happen. Was told by dealers to change gasoline, but this has not solved the problem.

30 Engine Exhaust System problem

The gas used in the state consumer lived in caused vehicle to accumulate sulfur. While driving consumer smelled sulfur. Which indicated that exhaust was entering the vehicle. Manufacturer indicated that this problem was caused by the exhaust getting caught underneath the vehicle. Although the manufacturer/ dealership were aware of this issue a remedy has not been found. There was a TSB on on this issue, not found in artemis.

31 Engine Exhaust System problem

When the heat was turned on, there was an odor coming from the vents.



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