how to fix P0133 code on Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to prevent any electrical shorts.

Tools Required:

• OBD-II scanner
• Multimeter
• Socket set
• Torque wrench
• Oxygen sensor socket

2. Inspect and Repair Wiring

• Visually inspect the wiring harness and connectors leading to the oxygen sensor for any signs of fraying or corrosion.
• If damage is found, repair or replace the affected wiring and connectors.

3. Replace Oxygen Sensor

• Locate the Bank 1 Sensor 1 oxygen sensor (usually found in the exhaust manifold or front of the catalytic converter).
• Using an oxygen sensor socket, carefully remove the old sensor by turning it counterclockwise.
• Clean the threads on the exhaust pipe to ensure a proper seal.
• Apply anti-seize compound to the threads of the new oxygen sensor to facilitate future removal.
• Install the new sensor by threading it into the exhaust pipe and tightening it to the manufacturer's specified torque (typically between 30-40 ft-lbs).

4. Reset the Engine Control Module (ECM)

• Reconnect the battery terminals.
• Use the OBD-II scanner to clear the P0133 code from the ECM.

5. Test the Vehicle

• Start the engine and allow it to reach operating temperature.
• Monitor the engine's performance and check for any new error codes.