Oil gauge keeps coming on, keep checking oil is good but gauge keeps coming on why? shuts off when we start up again but after a few miles comes on again but when we turn off motor and star up dosen't come on til after a few miles

Check the oil pressure with an external oil psi gauge to be sure engine has good oil psi, if it does then the oil psi switch going bad

The oil warning light is telling you the oil pressure has dropped below 10psi which does not always mean the oil level is low.
When the oil pressure drops, the power for the fuel pump is cut for safety reasons. You would not want the fuel pump to keep going if you were in a wreck and the engine stopped but the key switch was still on.
It could be a faulty sensor, or you really could be loosing oil pressure.
If the light comes on again, you would need to have the pressure checked with a mechanical gauge.

Check the hose going to the pvc valve,could be leaking.

If your pump is leaking it will leave a puddle under the car.

Could be a few things, first Get it checked with a mechanical gauge to test low motor oil, clogged oil filter, bad oil pump, clogged oil sump (pick up tube) or bad oil sending unit. Then replace sending unit sensor.

You have a possible issue with the voltage regualtor inside of your alternator.
You can drive to Autozone & have them test for under voltage & overvoltage condition, appears to be a voltage regulator failing.

Let me know how it turns out for ya!
Good luck to ya....

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when you say it does the same thing the iol level keeps going down that would be a major problem
if the oil pressure keeps droping check the pressure with an external gage do not rely on the factory one if the pressure is good the factory gage could be bad if not you could have a bad oil pump

If the valve lifters are quiet you most likely have oil pressure even with gauge showing "0".Sounds like the oil pressure switch going bad.I would try that first.

get oil pressure test done and check for codes in PCM

It sounds like you may have a bad fuse distribution box problem due to the multiple electrical problems. Inspect the fuse box and look for any damages to the fuse box and wire harness, pay attention to the wire harness from the engine compartment to the cabin compartment, look for any damages and corrosion. Star with that to save you some money since time is money and the dealer will just take as much time as they can. Good luck and hope this help. Keep me posted, be glad to answer any questions you may have.