Engine Oil Pressure Gauge Always High Gas
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Instrument Cluster System Check? | -- | Go to Step 2 | |
2 |
Does the oil gauge indicate low pressure? | -- | Go to Step 3 | Go to Step 4 |
3 | Replace the Oil Pressure Sender. Refer to Engine Oil Pressure Sensor/Switch Replacement (5.0L/5.7L) in Engine Controls, 1999 C/K Service Manual. Is the repair complete? | -- | -- | |
4 |
Is continuity present? | -- | Go to Step 6 | Go to Step 5 |
5 | Locate and repair the open in CKT 31 (TAN) between the Oil Pressure Sender and the I/P Cluster. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
6 | Replace the I/P Cluster. Refer to Instrument Cluster Replacement . Is the repair complete? | -- | -- |
Engine Oil Pressure Gauge Always High Diesel
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Instrument Cluster System Check? | -- | Go to Step 2 | |
2 |
Is the difference between the actual engine oil pressure and the specified engine oil pressure less than 68.95 kPa (10 psi)? | -- | Go to Step 3 | Go to Oil Pressure Diagnosis and Testing in Engine Mechanical, 1999 C/K Service Manual. |
3 |
Does the oil pressure gauge indicate any pressure? | -- | Go to Step 4 | Go to Step 5 |
4 | Replace the Oil Pressure Sender. Refer to Engine Oil Pressure Sensor/Switch Replacement in Engine Mechanical, 1999 C/K Service Manual. Is the repair complete? | -- | -- | |
5 |
Is continuity present? | -- | Go to Step 6 | Go to Step 7 |
6 | Replace the I/P Cluster. Refer to Instrument Cluster Replacement . Is the repair complete? | -- | -- | |
7 | Repair the open in CKT 31 (TAN) between the I/P Cluster and the Oil Pressure Sender. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- |
