OBD-II Code · Emissions
P2098
Post-Catalyst Fuel Trim System Too Lean (Bank 2)
low severitySafe to drive$100-$500
Post-cat fuel trim lean, bank 2.
Common symptoms
- CEL
Likely causes
- Exhaust leak bank 2
- Failed downstream O2
Where to start
- Try the cheapest cause first. Start by checking: exhaust leak bank 2.
- Cost & scope. $100-$500
- If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there.
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