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Pressure gauge reads zero PSI at zero RPMs. I use 0W-20 and factory filters. Also I don't think the ESS is working either. Don't know if it is related.

My 2023 Jeep Gladiator with 32,500 miles, the oil pump is staying in the high pressure mode. Normally between idle and 3000 RPM the oil pump is in low pressure mode and the pressure is ~30psi. Once you get over 3000 RPM the oil pump switches to high pressure mode and the pressure goes to ~80psi...