i have a chevy silverado 2007, What a piece of ***, its a LTZ. at 50,000 miles it has been burning oil at a quart to a quart in a half every 3000. i have had it too 3 dealerships now, Ya think they could fix it, NOt, blows blue smoke out of exhaust, auto starter not working now, fuel tank pressure sensor not working, i dont know who else to call or give info to. i dont know what else to do other than give this piece of *** back to them. i want a ford. any help?