Last year I bought an 08 suburban 2500 with 51,000 miles. Body in excellent condition. I planned on using this to tow my trailer and be an everyday driver for my wife for many years to come. It ran an...
A totally different idea is to inspect the wiring for rodent damage. I had a car acting really weird and thought that the transmission was out. The shop started taking the transmission out but found where some rodents had gnawed on the wires. He patched the wires and solved all of my problems.