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Posts Tagged: P2096 Subaru

Subaru P2096 trouble code

Fix a Subaru P2096 trouble code A Subaru P2096 code is defined as POST CATALYST FUEL TRIM SYSTEM TOO LEAN (BANK 1). This code refers to the oxygen sensor located AFTER the catalytic converter for the side of the engine that houses cylinder #1. Here’s how the system works: The pre-cat air/fuel ratio sensor detects the amount of oxygen in the exhaust stream and reports that to the ECM to adjust fuel trims. Fuel trims can be either long term or short term. Fuel trim is exactly what it appears … Read More


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