Two problems related to engine stall have been reported for the 2009 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 GMC Yukon based on all problems reported for the 2009 Yukon.
Electrical issues. . Lights dimming, then engine started to stall while driving and engine lifters started ticking and is getting louder. . . No fault codes were found by dealer when checked. . . And cannot reduplicate elec. Issue and stall . . But has happened 3 different times over a 2 yr period and now the lifters are clacking very badly. . . My vehicle gets reg. Oil changes etc. And according to all the forums this is a major problem with this vehicle. . . A TSB bulletin has been announced by GMC but no recall. . Are they waiting til someone dies for a lawsuit.
The contact owns a 2009 GMC Yukon. While the contact was driving approximately between 30-40 mph, the reduce engine power warning message displayed on the instrument panel. The stabilitrak warning light also illuminated. The engine completely stalled and restarted. The vehicle resumed with slight engine power at the speed of 10 mph. The failure occurred four times and it was taken to an authorized dealer for diagnostic testing. The technician stated poor quality of fuel was dispensed in the fuel tank. The computer software was updated; the mass air flow sensor and throttle body unit were cleaned. The failure recurred two weeks after the repair. The vehicle was taken back to the dealer where the throttle body was replaced. The failure mileage was approximately mileage was 21,910.