Sounds like you need a tune up. New spark plugs, air filter, oil change. Check your distributor cap and rotor. Might even need a new MAF sensor for the check engine light. Get a manual and go through these ideas.
You need to have it checked for codes to know what the cause of the code is.
That requires an OBDII engine scanner.
Have vehicle scanned to determine the problem and hae codes cleared
Yes. Your Check Engine light or Service Engine Soon light.
Tire pressure will not cause a check engine light.
The service engine soon, or check engine, light is reset with a scan tool after repairing the cause of the trouble codes.
Ambient temperature Should have no effect on Service engine light Have vehicle scanned to determine the problem
One of the sensors is tripping the engine light. Codes need to be retrieved. Problems could be O2 sensor and or Catalytic Converter.
No, but something that could cause uneven idle could cause the check engine light to turn on.No, but something that could cause uneven idle could cause the check engine light to turn on.
The service engine light is the same thing as a check engine light.
Yes, it may cause a miss that will trigger the check engine light.
It can.