P2099 - Post Catalyst Fuel trim System High Limit Bank 2 on Chevy Traverse

Question

Cannot find adequate results for repair

Answer 1

P2099 Post catalyst fuel trim system high limit Bank 2

One componenet that will not cause this code would be the 02 sensor, so there only three possible condition , a exhaust leak near the 02 upstream sensor on Bank 2, fuel injector or vacuum leak,If the fuel injector balance test passes, this would be  a mecahnical condition where the timing chain and its tensioner , this is the begining stages where the crank shaft position reluctor is moving out of place