Engine Oil Pressure Gauge Always Low 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 high pressure (approx. 80 psi or higher)? | -- | Go to Step 3 | Go to Step 4 |
3 | Replace the Oil Pressure Sender. Refer to Engine Oil Pressure Sensor and/or Switch Replacement (5.7L) or Engine Oil Pressure Sensor and/or Switch Replacement (7.4L) in Engine Mechanical. Is the repair complete? | -- | -- | |
4 |
Is continuity present? | -- | Go to Step 6 | Go to Step 5 |
5 | Locate and repair the short to ground 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 Low 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)? | 68.95 kPa (10 psi) | Go to Step 3 | Go to Oil Pressure Diagnosis and Testing |
3 |
Does the oil pressure gauge indicate pressure less than the specified value? | 211.60 kPa (80 psi) | Go to Step 5 | Go to Step 4 |
4 | Replace the Oil Pressure Sender. Refer to Engine Oil Pressure Sensor and/or Switch Replacement in Engine Mechanical. Is the repair complete? | -- | -- | |
5 |
Is continuity present? | -- | Go to Step 7 | Go to Step 6 |
6 | Locate repair the short to ground 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? | -- | -- | |
7 | Replace the I/P Cluster. Refer to Instrument Cluster Replacement . Is the repair complete? | -- | -- |
