Service Precautions for Catalytic Converter in Grand Vitara 4WD V6-25L (2003)
Catalytic Converter: Service Precautions
Precautions for Catalytic Converter
For vehicles equipped with a catalytic converter, use only unleaded gasoline and be careful not to let a large amount of unburned gasoline enter the
converter or it can be damage.
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Conduct a spark jump test only when necessary, make it as short as possible, and do not open the throttle.
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Conduct engine compression checks within the shortest possible time.
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Avoid situations which can result in engine misfire (e.g. starting the engine when the fuel tank is nearly empty.)