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oil pressure glowplug

  1. crazy high oil pressure on cold start?

    I have a 2004 lb7 and it is my first diesels so I am new to this. I live in Georgia and it doesn't get crazy cold. It's been like 30 degrees the past few days, and when go to warm up my truck, the oil pressure will be maxed out. I let it warm up for about 20 minutes and the pressure will...