p2097
Moderate
Subaru · SUVs & Crossovers
Post Catalyst Fuel Trim Too Rich
Quick Answer
Error code P2097 on your Subaru SUVs & Crossovers means: Post Catalyst Fuel Trim Too Rich. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Connect OBD-II scanner and monitor fuel trim
2
Check fuel pressure (should be 40-50 PSI)
3
Test downstream oxygen sensor operation
4
Inspect fuel injectors for leaking
5
Perform smoke test for vacuum leaks
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
OBD-II scanner
Fuel pressure gauge
Downstream oxygen sensor
Fuel injector
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