Emission Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles equipped with a 3.6L engine. The joint that connects the high-pressure fuel pumpâs outlet pipe to the pump may not have been welded within specified tolerances during the pump supplierâs manufacturing process. There is a potential that this weld joint is outside the tolerances that have been validated for the long-term durability of this pipe connection. Dealers are to replace the high-pressure fuel pump
