Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › New crate motor, lost pressure after first run › Reply To: New crate motor, lost pressure after first run August 3, 2022 at 8:00 am #997599 EricTheCarGuyKeymaster The only way you’ll know anything is by hooking up an oil pressure gauge and checking the actual pressure. Based on your description, the damage would already be done if the engine doesn’t have oil pressure.