Code result
P2098
Post Catalyst Fuel Trim System Too Lean
Moderate severity
What it means
Bank 2 counterpart of P2096. The post-catalyst fuel trim correction on bank 2 has reached its lean limit, suggesting an exhaust leak after the bank 2 catalyst, a drifting downstream sensor, or a degraded catalyst.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Exhaust leak after bank 2 catalyst
highOne of the most commonly reported causes for this code — check this first.
Bank 2 downstream sensor drifting
mediumA plausible cause — test and verify before replacing parts.
Related help
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