Engine-Codes
 
OBDII Code List
 
P1157 MERCURY

P1157 MERCURY - Lack of O2 Switches Bank 2 Sensor 2 Indicates Lean

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

P1157 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 P1157 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 P1157 MERCURY code

    Labor: 1.0

    The cost of diagnosing the P1157 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

When is the P1157 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.

P1157 MERCURY Possible Symptoms

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

P1157 MERCURY Meaning

Sensor Indicates Lean The downstream HO2S sensors are forced rich and lean and monitored by the Powertrain Control Module (PCM)
OBDII Code P1157 MERCURY - Lack of O2 Switches Bank 2 Sensor 2 Indicates Lean - Engine-Codes.com

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