Changed air filter 2 months ago afr started swinging bad logged and changed the maf with the correction multiply% after a few weeks of doing still afr swings changed filter back still swinging and a slight stumble when cruising part throttle , installed new maf and 02s , the maf hz is alot better but the stumble at cruise is there still . WOT is fine runs great its that street driving that has been lost , Im thinking on changing the map senor