general problems of the 2007 GMC Canyon

When you start your truck up let it warm up you start driving down the road and you touch the brakes and the rpm start going up and down up and down with vehicle dying sporadically.

Vehicle cranks but does not start. Security light flashing. After 10 minutes with key on and security light off after turning off then crank engine starts. Happened at least 15 times. Now, engine sometimes will crank itself in the "on" position and will not start and security light flashing. Happened three times and finally after three 10 minute key on wait cycles in a dark parking lot security light stopped flashing and started and made it home. Vehicle very unreliable now. I am tired of having a vehicle that thinks the owner is trying to steal owned vehicle. And auto crank in the on - not start- position without running. How do I bypass this awful system without another car payment to another automaker? this defect is dangerous and hazardous when stopping for fuel and have to leave engine on or holding up customers until engine starts. Also holding up vehicles on a ferry boat. Very embarrassing when friends and CO workers have to wait till vehicle decides to start and run. And being late to work. I do not want new parts that will fail again, I want it bypassed. Send me a kit with directions ASAP!.

My 2007 GMC Canyon is suffering from the problems described in service bulletin #07123a, engine intake valve seat/misfire. The extended warranty granted to those in #07123a was for model years 2004-2006. My vehicle was built after this time frame but is evidence that the problem still exists. Gm should do the right thing and extend the service bulletin to include model year 2007. The vehicle has 48,864 miles on it and I was quoted $2,500 plus tax to make the repairs at brotherton GMC/Cadillac in renton, wa.