Power Steering Pressure Switch

2003 Infiniti FX45SECTION Power Steering Pressure Switch

Switch is attached to the power steering high pressure line. Switch monitors the power steering load and sends signal to the ECM. When power steering pressure exceeds a predetermined amount, ECM increases idle speed to compensate for extra load on engine.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.