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Home >> Buick >> 1999 >> Regal LS >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel - Analog >> Symptom Tests >> Oil Pressure, Change Oil Soon, Service Vehicle Soon, Or Low Oil Indicator Is Inoperative, Remains Illuminated, Or Flashes After Engine Is Started Or When Car Is Driven

Oil Pressure, Change Oil Soon, Service Vehicle Soon, Or Low Oil Indicator Is Inoperative, Remains Illuminated, Or Flashes After Engine Is Started Or When Car Is Driven

  1. If instrument cluster diagnostic system check was performed, go to next step. If instrument cluster diagnostic system check was not performed, go to INSTRUMENT CLUSTER DIAGNOSTIC SYSTEM CHECK  under SYSTEM TESTS.
  2. Connect scan tool. Using scan tool, check for instrument cluster DTCs. If no DTCs exist, go to next step. If any DTCs exist, go to SELF-DIAGNOSTIC SYSTEM  .
  3. Turn ignition switch to RUN position. Using scan tool, command faulty indicator to turn on. If indicator illuminates, go to next step. If indicator does not illuminate, go to step  5 .
  4. Ensure ignition switch is in RUN position. Using scan tool, command faulty indicator to turn off. If indicator illuminates, go to next step. If indicator does not illuminate, locate and repair problem in engine electrical system. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
  5. Replace instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. Recheck system operation.
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