OBDII Code List

P2270 DODGE - O2 Sensor 1/2 Signal Biased Lean

Repair Importance Level: 2/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty O2 Sensor 1/2
  • O2 Sensor 1/2 harness is open or shorted
  • O2 Sensor 1/2 circuit poor electrical connection
  • Exhaust leak
  • Faulty Powertrain Control Module (PCM)

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P2270 Dodge Description

The Powertrain Control Module (PCM) detects that the sensor does not output a voltage greater than a calibrated high voltage and less than a calibrated low voltage within a specific time period
OBDII Code P2270 Dodge - O2 Sensor 1/2 Signal Biased Lean -

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Related Information

P2270 DODGE Comments

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