p2096
Moderate
Maserati · Sedans & Sports Cars
Post Catalyst Fuel Trim System Too Rich (Bank 1)
Quick Answer
Error code P2096 on your Maserati Sedans & Sports Cars means: Post Catalyst Fuel Trim System Too Rich (Bank 1). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Faulty downstream oxygen sensor
  2. Fuel pressure too high
  3. Leaking fuel injectors
  4. Catalytic converter degradation
  5. Engine control module calibration error
How to Fix It
1
Check fuel pressure at engine load
2
Test downstream oxygen sensor signals
3
Inspect fuel injectors for proper spray
4
Evaluate catalytic converter efficiency
5
Review fuel trim data with scanner
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
Fuel injector
Fuel pressure test gauge
Related Error Codes
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