One problem related to catalytic convertor has been reported for the 2003 Toyota MR2. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota MR2 based on all problems reported for the 2003 MR2.
While driving catalytic converter broke off into pieces. Dealer replaced catalytic converter.
| Engine And Engine Cooling problems | |
| Engine Stall problems | |
| Catalytic Convertor problems | |
| Car Stall problems |