Tl* the contact owns a 2007 cadillac srx. while driving approximately 35 mph, the check engine warning light illuminated and the steering wheel started to shake. the contact mentioned that there was a clicking sound emitting from the rear of the vehicle. the vehicle was taken to an independent mechanic for diagnostic testing. the technician stated that there was a leak in the front of the vehicle and the fuel injector and mass air sensor needed to be replaced. the manufacturer was not notified of the failure. the approximate failure mileage was 110,000.