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P2242 LINCOLN

P2242 LINCOLN - O2 Sensor Positive Current Control Circuit High Bank 2 Sensor 1

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

  • Faulty Front Heated Oxygen Sensor Bank 2
  • Front Heated Oxygen Sensor Bank 2 harness is open or shorted
  • Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection

Possible symptoms

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

P2242 Lincoln Description

The Front Oxygen Sensor (O2 Sensor 1) is placed into the exhaust manifold. It detects the amount of oxygen in the exhaust gas compared to the outside air. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. The zirconia generates voltage from approximately 1V in richer conditions to 0V in leaner conditions. The heated oxygen sensor 1 signal is sent to the Engine Control Module (ECM). The ECM adjusts the injection pulse duration to achieve the ideal air-fuel ratio. The ideal air-fuel ratio occurs near the radical change from 1V to 0V.
OBDII Code P2242 Lincoln - O2 Sensor Positive Current Control Circuit High Bank 2 Sensor 1  - AutoCodes.com

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P2242 LINCOLN Comments

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