Table 1 shows 23 common engine and engine cooling related problems of the 2003 Toyota Corolla. The number one most common problem is related to the engine exhaust system (31 problems). The second most common problem is related to the engine and engine cooling (17 problems).
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. Read details...
I barely bought the car and I looked at the odometer and it’s at 126,000 and I serched and it has more then 300,000 I need help Read details...
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. Read details...