Your_Evil_Twin96 Posted January 11, 2015 Report Share Posted January 11, 2015 Just bought bone stock ss from father with 133,000 miles. He has always had regular oil in engine but I wanted to use full synthetic and bought Mobil one. I didn't notice the oil pressure gauge before oil change but dad said reads 40ish at idle. But now as soon as startup the gauge goes to 80 and never drops. Is this normal for ffull synthetic or is the oil pressure sensor bad maybe? Any help would be appreciated guys,thnx Quote Link to comment Share on other sites More sharing options...
Link2603 Posted January 11, 2015 Report Share Posted January 11, 2015 Oil pressure sensor is bad is my best guess. Mine did the same when my sensor went bad. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Your_Evil_Twin96 Posted January 11, 2015 Author Report Share Posted January 11, 2015 Thnx man, will be swapping unit tommorrow and hopefully fix Quote Link to comment Share on other sites More sharing options...
Downeast Johnny Posted January 11, 2015 Report Share Posted January 11, 2015 A new sensor may be cheap enough to just give it a shot, but I think that I would hook a mechanical gauge to it and find out for sure. I've never heard of pressure changing caused by switching to synthetic. Quote Link to comment Share on other sites More sharing options...
SSBlue24 Posted January 11, 2015 Report Share Posted January 11, 2015 Sounds like the oil pressure sensor.... Mine did the same thing and I changed out the sensor and now works perfect. Quote Link to comment Share on other sites More sharing options...
jovanny Posted January 11, 2015 Report Share Posted January 11, 2015 Turn the key without turning it on, If the gauge moves its the sensor Quote Link to comment Share on other sites More sharing options...
Downeast Johnny Posted January 12, 2015 Report Share Posted January 12, 2015 Turn the key without turning it on, If the gauge moves its the sensor That's a good tip. Quote Link to comment Share on other sites More sharing options...
Your_Evil_Twin96 Posted January 12, 2015 Author Report Share Posted January 12, 2015 Turn the key without turning it on, If the gauge moves its the sensor I saw that tip when googled problem and my ss did that, swapped sensor and works now, thanks guys.... man that was tight fit for my hands but swapped now Quote Link to comment Share on other sites More sharing options...
Downeast Johnny Posted January 12, 2015 Report Share Posted January 12, 2015 Fixed is good. Quote Link to comment Share on other sites More sharing options...
Blown 346 Posted January 12, 2015 Report Share Posted January 12, 2015 (edited) Just a FYI... I always use a High Mileage synthetic with anything gover 75K. Edited January 12, 2015 by Blown 346 (see edit history) Quote Link to comment Share on other sites More sharing options...
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