One problem related to diesel engine has been reported for the 2009 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 GMC Sierra 2500 based on all problems reported for the 2009 Sierra 2500.
Truck was at full throttle brakes would not stop truck diesel engine over powered brakes. Found gas peddle under floor mat luckly I put in nuteral and turned off ign glad my wife or kids were not driving death trap.
| Engine problems | |
| Diesel Engine problems | |
| Manifold/header/muffler/tail Pipe problems |