Hi Susan,
I'm not sure which shield you are referring to or the engine size to see if I can find it in a manual. What size engine does the vehicle have?
Also, is it possible for you to take a pic of the item and upload it for me to see? If it is there, chances are it is important or at least needed. LOL
One other thought, if this has the 5.3L engine, I believe the intake needs to be removed to access the oil pressure sensor.
Let me know.
Joe
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Thursday, November 16th, 2023 AT 9:20 PM