– This code indicates that the fuel mixture is too lean in the post-catalytic converter system on bank 2 of the engine.
P2098 Post Catalyst Fuel Trim System Too Lean Bank 2
Code symptoms P2098.
 1. Check Engine Light is illuminated on the dashboard.
 2. Decreased fuel efficiency.
 3. Rough or erratic engine performance.
 4. Hissing or tapping noises coming from the engine.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2098.
1. Faulty oxygen sensor.
 2. Vacuum leak.
 3. Fuel delivery issues.
 4. Exhaust leak.
 5. Faulty catalytic converter.
Code Solutions P2098.
1. Inspect and replace the oxygen (O2) sensor on Bank 2
 2. Check for any leaks in the exhaust system and repair as necessary
 3. Clean or replace the fuel injectors on Bank 2
 4. Scan for any pending or stored codes in the system for further diagnostics
 5. Perform a fuel system cleaning to remove any deposits that may be affecting the fuel trim on Bank 2
