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It is just generally a good idea to let a turbo cool before shutting it down. A pyrometer gauge does allow the driver to know exactly when the turbo is cool enough, but the pyrometer is meant for towing heavy loads. Towing generates extreme heat and on some trucks, the driver needs to not overheat the turbo. Your car will be fine and allowing extra time for cooling down will not make up for any previous shut downs.

Hopefully not too much damage was done. Thank you for you’re help I’ll let you know if I have more questions I know my sisters car needs help but that’s body work and needs a phone call to explain everything.

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