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Home/DTC Codes/Ford/Explorer/2002-2005 4.6L V8/P0032
P0032

HO2S Heater Control Circuit High Bank 1 Sensor 1

2002-2005 Ford Explorer 4.6L V8 🇨🇦

Low SeverityPowertrain

Description

The voltage in the Bank 1 Sensor 1 O2 heater circuit is higher than expected.

Symptoms

  • Check Engine Light
  • Possible heater staying on too long

Common Causes

  • Short to power in heater circuit
  • Faulty O2 sensor
  • Relay stuck closed

Diagnostic Steps

  1. Test heater circuit voltage
  2. Check for shorts to power
  3. Test sensor heater resistance

Repair Notes

Repair short to power or replace O2 sensor.

Related Codes

P0030HO2S Heater Control Circuit Bank 1 Sensor 1P0031HO2S Heater Control Circuit Low Bank 1 Sensor 1

Other Powertrain Codes

P0032 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 P0032 mean on a 2002-2005 Ford Explorer?

P0032 stands for "HO2S Heater Control Circuit High Bank 1 Sensor 1". The voltage in the Bank 1 Sensor 1 O2 heater circuit is higher than expected.

What are the symptoms of P0032 on a Ford Explorer?

Common symptoms of P0032 include: Check Engine Light, Possible heater staying on too long.

What causes P0032 on a 2002-2005 Ford Explorer?

Common causes of P0032 include: Short to power in heater circuit, Faulty O2 sensor, Relay stuck closed.

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