Van Wagon 2WD L4-2237cc 2.2L (4Y-E) (1989)
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Catalytic Converter: Testing and Inspection
To test the three-way catalyst check the catalytic converter visually. Remove the catalytic converter from the vehicle. With either opening toward a light
source, inspect the ceramic insert from both sides. If the ceramic insert is broken, melted or clogged the catalytic converter must be replaced.
