P2098 — Post Catalyst Fuel Trim System Too Lean (Bank 2)
Category: Powertrain Severity: Medium
Updated:
DTC code P2098 means: Post Catalyst Fuel Trim System Too Lean (Bank 2). It falls under the "Powertrain" category, with an estimated severity of Medium. Common causes include bank 2 exhaust leak, faulty bank 2 downstream sensor and vacuum leak; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Bank 2 exhaust leak
- Faulty bank 2 downstream sensor
- Vacuum leak
- Deteriorated catalyst
Symptoms
- Check engine light
- No symptoms in many cases
How to diagnose it step by step
- Look for bank 2 exhaust leaks.
- Check for vacuum leaks.
- Watch the downstream sensor.
How to fix it
Same as P2096 applied to bank 2.
Estimated repair cost
$40–280.
Frequently asked questions
What does DTC code P2098 mean?
Post Catalyst Fuel Trim System Too Lean (Bank 2).
Is code P2098 serious?
Severity Medium. Not urgent, but worth diagnosing to avoid bigger damage.
Can I keep driving with code P2098?
Yes, it is safe to drive.
Related codes
P2097 P2099 P2096 P20EE P2004 P2002
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