One problem related to catalytic convertor has been reported for the 2003 Toyota Tundra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Tundra based on all problems reported for the 2003 Tundra.
: the contact stated the catalytic converter is spewing sulfur dioxide when the engine is running. The vehicle was taken to the dealership for inspection, but could not be repaired because the dealer does not have an updated converter. The dealer could only use the same type of catalytic converter which they determined would have the same problem. The window regulator was replaced. Updated 02/07/06.