Power Steering (P/S) Pressure Switch (2.5L)

1993 Chevrolet Astro Van Passenger Extended, 4.3 ZSECTION Power Steering (P/S) Pressure Switch (2.5L)

This switch informs ECM of engine load conditions which exist when steering wheel is turned from center to full lock position. ECM uses this information to help control idle speed. To check function of P/S switch, perform functional check of switch. See I - SYS/COMP TESTS article in this section.

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.