Engine Oil Pressure Gage Inaccurate or Inoperative
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Engine Oil Pressure Gage Inaccurate or Inoperative
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Instrument Cluster Schematics | ||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Start the engine. Does the engine oil pressure (EOP) gage display within the specified range? |
207-483 kPa (30-70 psi) | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 |
|
- | Go to Step 4 | Go to Step 10 |
| 4 |
|
5 Ω | Go to Step 6 | Go to Step 5 |
| 5 | Test the low reference circuit of the EOP sensor for high resistance or for an open. Refer to Circuit Testing
and to Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 7 |
| 6 | Inspect for poor connections at the harness connector of the EOP sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 8 |
| 7 | Inspect for poor connections at the harness connector of the powertrain control module (PCM). Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 9 |
| 8 | Replace the EOP sensor. Refer to Engine Oil Pressure Sensor and/or Switch Replacement
. Did you complete the replacement? |
- | Go to Step 11 | - |
| 9 | Replace the PCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 11 | - |
| 10 | Replace the IPC. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 11 | - |
| 11 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |