Tran 
2011 Toyota Tacoma Double Cab V6 4dr Double Cab 4WD 5.0 ft. SB (4.0L 6cyl 6M)
2011 Toyota Tacoma 4WD Manual Off-Road
 My truck is 8 weeks old Tacoma. The truck is beautiful but I'm having problem with the engine.  I would call it raving problem.  The bad thing is it does not happen all the time.  Sometimes, when the truck is in neutral, the RPM is jumping up and down between 1 and 2000 rpm.  The engine also roars.  There is no pattern of when and how it happens.  I took it to the dealer and they said the computer chip did not register any problem..  I start feeling regret that I bought it and will be stuck with the problem for a while.  With all the negative publicity, I thought Toyota would care enough to have a better quality control.Does anyone out there have the same problem?