Grounds
Recommend checking grounds, especially from battery to chassis, and ecu to chassis. My 2005 grounds are very touchy and light up idiot lights on the dash from time to time. Set various codes, too. Happy hunting!
Oil Analysis?
You could have Amsoil analyze a sample of the oil in the crankcase for about $40. Don't know what other companies charge, but there are others like Blackstone, too. With the unusual oil change history it would let you know what is going on inside now. That data would be part of my...
The studs on the hubs, and holes in the wheels have very strict tolerances. If you wear work clothes and have a torque wrench and a piece of cardboard or mat mounting wheels is simple. Put the cardboard or mat on the ground. Put the wheel in front of the hub. Sit on the ground and lift the wheel...
