Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Diagnostic System Check? | -- | ||
2 | Start the vehicle. Does the tachometer show the correct engine RPM? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | |
3 | Does the tachometer always indicate low RPMs? | -- | ||
4 | Does the tachometer always indicate high RPMs? | -- | ||
5 |
Does the tachometer gage sweep from low RPMs to high RPMs and return to low RPMs when prompted? | -- | Go to Powertrain On Board Diagnostic (OBD) System Check (3.8L) or Powertrain On Board Diagnostic (OBD) System Check (5.7L) | |
6 | Replace the instrument cluster. Refer to Instrument Cluster Replacement . Did you complete the replacement? | -- | -- | |
7 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK |
