Oil Pressure Switch

The engine oil pressure switch (or sender/sensor) monitors oil pressure and transmits the data directly to the instrument cluster and/or the vehicle computer systems.

Symptoms of a Bad or Failing Oil Pressure Switch

  • Red oil warning light may illuminate
  • Oil gauge may read too high or too low
  • Engine oil leak

Oil Pressure Switch Related Repair Advice

  • If the red oil pressure warning light illuminates while you are driving, pull over to the side of the road when it is safe and shut the vehicle off until the cause of failure is determined
  • Some vehicles use an oil pressure gauge in place of, or in addition to, a red oil light
  • Before replacing an oil pressure switch, a professional mechanic will first determine that the oil level and condition are okay, that the oil light electrical circuit is operating normally, and most importantly, that the oil pressure is within the manufacturer's specifications

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