Low oil pressure at idle or illumination of the oil pressure warning light may be caused by the oil pressure relief valve. If the oil level is good and the low pressure is verified with a gauge, the repair may involve disassembling and cleaning the relief valve.
Average mileage: 71,000 (71,000–71,000)
Engines affected: 5.9L V8, 8.0L V10
3 people reported this problem