Important: Review the system Description and Operation in order to familiarize yourself with the system functions. Refer to Power Steering System Description and Operation .

1. Inspect for aftermarket devices which could affect the operation of the steering system.
2. Inspect the easily accessible or visible steering components for obvious damage or conditions which could cause the symptom.
3. Verify the tires are the proper size. Refer to the tire placard on the drivers door lock pillar.

If the tires are not the proper size, replace the tires. Refer to Tire Mounting and Dismounting in Tires and Wheels.

4. Measure the tire pressure. Adjust the tire pressure if necessary. Refer to the tire placard on the drivers door lock pillar.
5. Verify the power steering fluid level is correct. Verify the power steering fluid is free from foam or contamination. Refer to Checking and Adding Power Steering Fluid .

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Refer to the following symptom list in order to diagnose the symptom: