Question

2007 Suzuki XL7 with engine code P2099, I already replaced o2 sensor bank 1 pre and post catalytic

Answer 1

P2099 Post catalyts fuel trim system high limit bank 2

This code is a running rich exhaust, one of the recommendation to resolve this code condition is to do a fuel injector balance test, which will require special tools the best way to do this is to do a MAF (mass airflow) cleaning with a throttle body cleaning and add fuel injector cleaner into the fuel tank.

Answer 2

P2099 SUZUKI - Post Catalyst Fuel Trim System High Limit Bank 2

Read more: https://www.autocodes.com/p2099_suzuki.html