If it is just the insulator cover, it won't hurt anything if you drive it. The cover is to help eliminate engine noise and to allow the engine to reach operating temperature faster. Driving without it won't hurt anything.
Take care and feel free to come back anytime in the future. Also, let me know if you have other related questions.
Joe
Feb 9, 2024 at 2:04 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.