OBDII Code List

P1158 MERCURY - Lack of O2 Switches Bank 2 Sensor 2 Indicates Lean

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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P1158 MERCURY Possible Causes

  • Faulty HO2S Bank 2 Sensor 2
  • HO2S Bank 2 Sensor 2 harness is open or shorted
  • HO2S Bank 2 Sensor 2 circuit poor electrical connection

How do I fix code P1158 MERCURY

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the P1158 MERCURY code

    Labor: 1.0

    The cost of diagnosing the P1158 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the P1158 MERCURY code detected?

The test fails if the Powertrain Control Module (PCM) does not detect the output of the HO2S in a calibrated amount of time.

P1158 MERCURY Possible Symptoms

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

P1158 Mercury Description

Sensor Indicates Lean The downstream HO2S sensors are forced rich and lean and monitored by the Powertrain Control Module (PCM)
OBDII Code P1158 Mercury - Lack of O2 Switches Bank 2 Sensor 2 Indicates Lean -

P1158 MERCURY More Information

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