GMC Yukon owners have reported 3 problems related to catalytic convertor (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Yukon based on all problems reported for the Yukon.
2001 Yukon denali- abs fails at slow speeds
2001 Yukon denali- catalytic converter failure.
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Loud pinging noise from exhaust which continues 5-10 minutes after car is turned off, also has vibration in steering wheel and dash when at a sit still in either drive or park, rpm are not changing when vibrating, exhaust is extremely loud.
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Vehicle had been sitting for about 2 hours and consumer drove vehicle less than a block and temperature gauge was showing hot. Consumer pulled over, and black smoke was coming from hood. Catalytic converter was red hot. Took vehicle to dealer, and dealer stated that fuel was dumping in catalytic converter. Please provide any further information.