I have taken my brand new KW truck with a cumins engine to them over & over complaining of low powder. They tell me that they don't know whats the problem & more or less they don't know how to fix it. They show no interest in fixing my truck, even tho I paid $3, 500 in extra warr. The head man talks to you like you are a dog. I paid $132, 000 for this truck and it hasn't ran right since the day I drove it off the show room floor. I also took the same truck to them a year & a half ago for a oil leak which they said... read full review »