Which engine do you have, the 3.8 or 4.6
How do you know you have an oil pressure problem?
The stock oil pressure gauge is actually only an "idiot light". The gauge does not display actual oil pressure. It registers a reading anytime the oil pressure is 5 psi or higher. However, the needle moves to an arbitrary position, and is misleading.
For example, when the engine is cold, and you exceed 2000 rpms, the oil pressure is over 90 psi. Have you ever seen the gauge register that ?
This info. is based on the 4.6 engine
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