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Originally Posted by Trak-Toy
That’s the tell tale sign of impeding ‘total’ pump failure I’m told... once the hot idle shows 20 PSI, the cracks have occurred and the next step is total failure and potentially catastrophic engine damage. I would definitely not be driving or starting it anymore. Flat bed straight to the dealership. You may have gotten ‘lucky’ and caught it before it totally ruptures and sends debris into your oiling system. Most guys don’t even get that or don’t notice that low pressure until it’s too late.
Here’s my 18 ZLE at hot idle. Always seems to stay right at this 30 PSI mark. This is Mobil 1 Extended Performance 5W30 oil.
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My 2017 at hot idle is sometimes between 20 and 30 but not always.
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ZL1 Coupe, PDR, Exposed carbon fiber hood insert, My Link with Nav, M6 6 speed and Silver Ice Metallic. Mods done: ceramic window tint, GM Accessories Camaro floor mats and Roto-Fab CAI.
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