Thanks for the input, I'm going to order the bluetooth plug-in from Amazon (12.68) and the Torque pro app. Even if it doesn't tell me what I need for this problem, it looks like a really cool tool to have for all my cars. The mechanic said a sensor wasn't showing up even though the check engine light never went on. Could be the heater on a sensor or something else. I'm also going to pick the brain of a friend who's a pro and is smog certified. I would have taken it to him in the first place but his garage can't handle a 32' RV.
