A transmission fault code of P0770 or P0773 may occur at higher mileages which indicates that the 3-way lock-up solenoid has failed and will need replacement.
Problems for specific Toyota Corolla years:
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Newest reported Toyota Corolla problems
I feel like my car is completely falling apart. I have had it in the shop 3 times in the last 2 months. Now they tell me one of the motor mounts is going out. This car only has 75k miles on it. Disappointed in Toyota.
The last 2 times it has rained my driver's side floor board has been full of water. Took it to the shop and determined the drain for the sun roof was clogged.
Noticed one morning when opening my door that the molding at the base of the driver's side window was cracked in half on the front and rear door, allowing rain to get inside the door. This is not covered by the extended warranty, and cost $150/window for the dealer to replace.
Started the car one morning and the transmission started shifting extremely hard between 1st and 2nd gear. Took it to the dealership and the entire transmission had to be replaced. Thank goodness for my extended warranty. A $3700 repair cost me $50.
Around 72k miles, my engine started making a load noise. Took it to the dealership and the water pump literally fell apart in the technicians hands. I had the extended warranty so the replacement was covered minus $100 for a new belt that was not covered by the warranty.
The EGR System tends to get restricted or blocked with carbon after 100,000- 125,000 miles which will cause an emissions test failure for NOX. If the EGR system is equipped with an EGR temperature sensor it will trigger a Check Engine Light for improper EGR flow. The repair is to clean out the EGR passages and the EGR Temperature sensor. Our technicians tell this repair is pretty straight forward and takes about 1-1.5 hours. It is also wise to verify the EGR system components i.e. the Transducer, EGR Valve and VSV Solenoid at this time.
If the vehicle develops an annoying, clunking sound when driving over bumps it is usually the struts and strut bearing plates. These may need replacing at 100,000-125,000 miles or sooner. If the noise is a more of a squeak or groan, it can be usually be eliminated by spraying a light lubricant on the suspension bushings 1-2 times per year.
The Evaporative system may have problems with the vapor canister releasing charcoal pellets that plug the vent valve. Typically a Code P0441, P0442 and P0446 will be set. The key code is the P0446 which is a vent valve electrical failure. The proper repair is to replace the entire canister with all the valves as a unit. This is located on top of the fuel tank and is expensive. Our Technicians tell us that for awhile Toyota was covering these problems, but this may have changed. It would not hurt to call the dealer if this problem occurs to see if Toyota is still helping with these repairs.
The engine mount on the passenger side of the car can wear out on cars with high mileage. This will put extra stress on the other mounts and the faulty mount will need to be replaced.