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International Automotive Technicians Network
Re: 5.3 LS oil pressure
Posted to Technical Discussion Forum on 4/28/2021

G'day Jimmy, if there was no oil pressure I don't think the engine won't have made it 100 yards up the road, and the lifters would be rattling their heads off too.

May be you have your master gauge connected to the oil cooler return port. Try the other oil c... Login to read more.