If i turn the key on the oil pressure gauge doesn't move. 05 doesn't use a sender, it uses an oil pressure sensor. Pin On Products You would need an oil pressure test gage and the correct adapter for the gage.this adapter threads on in place of the engine oil filter,then the gage can be threaded on and the engine run cold and fully warmed up to see if it has low pressure.you might be able to obtain this adapter from a local parts store. Oil pressure gauge not working silverado . One of the first things that people do when they have the low oil pressure light is to change out this sensor to see if that. Noticed that the oil pressure gauge will be a 30 psi, when first cranked up. The gauge works fine in another. If the oil pressure gauge in your chevy silverado, avalanche, tahoe, or suburban is reading no oil pressure, excessive oil pressure, or if the oil pressure g. You might try an oil pressure sending unit, first making sure the connector and harness are okay. T...