Ive bought the torque app and the obd2 adapter arrives tomorrow. I've done a little more research and replaced the plugs since my last post. I'm quite positive there's a vacuum leak but another problem I've been having is clicking noises on a could start. The clicks will last about 5 seconds and you can hear popping from the exhaust during that time. itll stop for 10 seconds in between cycles and by the third cycle ill hear a big "whoosh" from the exhaust, kind of like a flamethrower sound. The clicking and popping stop when the car has warmed up. Theres been a couple other posts on here claiming the same thing. The diagnoses was the EVAP system doing what it's supposed to and is totally normal. Is this true?
Also,
what are the normal numbers i should see when i perform the diagnostic with the torque app. What would be considered running lean or rich, what should I expect the h.p. to say and what will prove there is a vacuum leak? The car isnt throwing any codes, but something is wrong.