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Home/DTC Codes/Ford/Explorer/2002-2005 4.6L V8/P0157
P0157

O2 Sensor Circuit Low Voltage Bank 2 Sensor 2

2002-2005 Ford Explorer 4.6L V8 🇨🇦

Moderate SeverityPowertrain

Description

Low voltage from the downstream O2 sensor on Bank 2.

Symptoms

  • Check Engine Light

Common Causes

  • Faulty sensor
  • Short to ground
  • Exhaust leak

Diagnostic Steps

  1. Test voltage
  2. Check for shorts

Repair Notes

Replace sensor.

Related Codes

P0156O2 Sensor Circuit Bank 2 Sensor 2P0158O2 Sensor Circuit High Voltage Bank 2 Sensor 2

Other Powertrain Codes

P0157 on Other Vehicles

Ford Aerostar

1990-1997 3.0L V6

Ford Aerostar

1990-1997 4.0L V6

Ford Bronco

1990-1996 4.9L I6 300

Ford Bronco

1990-1996 5.0L V8 302 Windsor

Ford Bronco

1990-1996 5.8L V8 351 Windsor

Ford Bronco

2021-2024 2.3L I4 EcoBoost

Ford Bronco

2021-2024 2.7L V6 EcoBoost

Ford Bronco Raptor

2022-2024 3.0L V6 EcoBoost

Common Questions

What does code P0157 mean on a 2002-2005 Ford Explorer?

P0157 stands for "O2 Sensor Circuit Low Voltage Bank 2 Sensor 2". Low voltage from the downstream O2 sensor on Bank 2.

What are the symptoms of P0157 on a Ford Explorer?

Common symptoms of P0157 include: Check Engine Light.

What causes P0157 on a 2002-2005 Ford Explorer?

Common causes of P0157 include: Faulty sensor, Short to ground, Exhaust leak.

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