I HAVE CODES. need some guidance

[Estii]

So I have an IAC code, camshaft position sensor code, and codes for all 4 cylinders misfiring. The car drives fine under 3k rpm but occasionally it sputters and u feel a jerk. I'm wondering If I replace the IAC and camshaft position sensor if this will fix everything. I should also mention that the spark plugs and the wires that lead to them are less then a year old, but the actual ignition coil pack has not been replaced.

[BimmerBum]

Clean the idle control valve and check the vacuum line cluster that goes from the idle control valve to each injector.

[Estii]

I have cleaned the IAC and it produced no results. My IAC doesn't connect to any lines like that. It bolts directly onto the Upper portion of the Intake manifold. Or I suppose it is the throttle body.

[BimmerBum]

It's there. Check for vacuum leaks.

I have cleaned the IAC and it produced no results. My IAC doesn't connect to any lines like that. It bolts directly onto the Upper portion of the Intake manifold. Or I suppose it is the throttle body.

[Estii]

Okay ill have a look. Any diagrams of all the vaccum lines?