One problem related to catalytic convertor has been reported for the 2004 Toyota Scion Xa. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Toyota Scion Xa based on all problems reported for the 2004 Scion Xa.
Consumer states: the car smells like sulfur dioxide coming in the car through vents and comes catalytic converter. Dealer tried to fixed it. Thought it was originally from buses in the city.
| Engine Shut Off Without Warning problems | |
| Engine And Engine Cooling problems | |
| Check Engine Light On problems | |
| Catalytic Convertor problems |