GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Regal 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 ENGINE OIL PRESSURE Message Inoperative

Step

Action

Value(s)

Yes

No

1

Did you perform the Instrument Cluster System Check?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2
  1. Connect a scan tool.
  2. WOW the instrument cluster ON.

Does the Engine Oil Pressure Warning indicator illuminate?

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Go to Powertrain On Board Diagnostic (OBD) System Check (RPO 3.1L) or Powertrain On Board Diagnostic (OBD) System Check (RPO 3.8L) in Engine Controls

Go to Step 3

3

Replace the Instrument Cluster. Refer to Instrument Cluster Replacement .

Is the instrument cluster replacement complete?

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Go to Diagnostic System Check - Instrument Cluster

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