O2 Sensor Problems of Toyota Corolla

Tl - the contact owns a 2007 Toyota Corolla. The contact stated that the vehicle engine lamp illuminated. The vehicle was taken to the dealer who diagnosed that an oxygen sensor was defective and needed to be replaced. The remedy failed to repair the problem since the lamp illuminated again. The vehicle was taken back to the dealer who stated that there was an electrical problem in the wire harness and it needed to be replaced. The manufacturer was made aware of the failure who did not offered any assistance. The vehicle was not repaired. The vehicle identification number was not available. The failure and current mileage was 64,000. Pm.

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2005 Toyota Corolla. 3/1/2010-engine cuts out/stalls while driving and check engine light. Retrieved codes p0606 and p0456. Brought to local service and was diagnosed as ecm failure. Service rep states that it has to go to Toyota because ecm is on technical service bulletin extended warranty. 3/2/1010-Toyota nashua service retrieved codes p0606 and p0607 replaced ecm cost $640. 36. 3/4/2010 engine stalls while driving with check engine light brought back to Toyota service with same codes. They cleared codes with no repair. 4/13/2010 engine stalls while driving check engine light and brought back to Toyota service. Retrieved code p0606 and p0607. Replaced rear oxygen sensor. $259. 35. 4/14/2010 engine stalls while driving check engine light and brought back to Toyota service. Car is currently being diagnosed. Kept car over night. Awaiting repair diagnosis. This is a serious safety issue. This car stalls on highways at 65mph with little time to get to breakdown lane. Risk of serious traffic accidents. Please investigate again and get warranty extended beyond 80k miles.

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The engine light won't go out there is a error reading of p0031 on the O2 sensor been replace 7 to 10 times and the light still stays on even resetting. I have problems year after year with my brakes over all I lost total trust in Toyota Corolla plus a lot more problems Toyota takes forever to send out the recall letters. I have 8 recalls but when you go look it up its states no recalls well this is why I lost trust Toyota doesn't care they use to be the best car ever not anymore.

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The contact owns a 2003 Toyota Corolla. The contact stated that the check engine light illuminated while driving 65 mph. The dealer stated that he needed a catalytic converter and performed the repair, in addition to a new oxygen sensor. The light remained off for approximately three weeks before it illuminated again. Toyota performed an expensive diagnostic and stated that the vehicle needed a new catalytic converter and new sensor. The contact has spent over $1,500 on repairs. Initially, Toyota was unable to determine the cause of failure. Presently, due to the aftermarket failure, Toyota is able to provide a diagnosis. The contact feels that they are just making an excuse to not repair his vehicle. The current mileage is 147,000 and failure mileage was 141,000.

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I purchased a used vehicle from keyes Toyota one year ago. It was advertised certified, however when I bought the car they would not honor it. I have been back and forth to the dealership with repairs. Recently the check engine light came on and I spent over $700 replacing the 02 sensors and flushing my brakes. This did not fix the problem and I have to spend another $4-$500 replacing the air flow meter. The mechanic told me that these problem should not be happening to such a young car.

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