hey i got my 00 integra im having a huge idle problem its not all the time but most of it i did a tune up changed the pvc valvee i do need a o2 sensor idk if that could be it but it goes from like 500 rmp to 1100 i know is not the idle control valve because is a different idle lol and also it smells like gas mixed with oil from when i get back of my carr please help im trying to figure this out... ive changed rotor cap wires spark plugs pvc hellpppp

 

Fix the o2.