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Old 02-27-2016, 10:18 PM   #8 (permalink)
Diesel Student
Join Date: Feb 2016
Posts: 48

Thanks for the input on the OPS I didn't know that. Since we are on the subject what exactly is the oil pressure gauge supposed to read at idle. When I first start my truck its almost at 40psi once its warmed up some it drops at idle drastically to around 15-20psi and while driving its around 30-35psi. So would this be a sign of a faulty OPS as well?
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