p2096
Moderate
Porsche · Sedans & Sports Cars
Post Catalyst Fuel Trim System Too Lean Bank 1
Quick Answer
Error code P2096 on your Porsche Sedans & Sports Cars means: Post Catalyst Fuel Trim System Too Lean Bank 1. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Scan for related codes and review freeze frame data
2
Inspect exhaust system for leaks before the catalyst
3
Test downstream oxygen sensor voltage and response time
4
Check fuel pressure and fuel trim values
5
Inspect catalytic converter for damage or blockage
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
Oxygen sensor (downstream)
Catalytic converter
Fuel pressure regulator
Exhaust gaskets
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