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P2274 - How To Repair: Meaning, Causes, Symptoms, Fixes

P2274 - OBD2 Trouble Code P2274 O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 3)

P2274 Code Definition

P2274 O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 3)

What Does the Engine Code P2274 Mean?

Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means that this is a ISO/SAE controlled OBD-II (OBD2) DTC. "2" in the third character position in a DTC indicates that the fuel and air metering and auxiliary emission controls is experiencing a malfunction. The last two characters "74" is DTC number. OBD2 Diagnostic Trouble Code P2274 means that O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 3) has been detected.

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How Serious Is the Code P2274?

This issue is not critical yet. Make sure that it is current and fix it early before this leads to more severe issues.

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