Oil pressure gage low
#1
Oil pressure gage low
When sitting at a light in gear, my 98 TA a4 oil pressure gage drops very low. It hovers at or slightly below 20 psi. This only happens on very hot days after driving a while. Once the RPM's come up to 2000, the pressure will jump up to 30 and higher from there. When cold, it's at 40 psi. Here's a pic I snapped with the cell phone after 30 min of driving on an 85 degree day. Is this normal?
#7
that sound does not right. 80 at woot or just normal driving ? man wat kind oil and filter u use ? 20w50 hehe ? mabe sensort is mess up or something
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#8
mine was doing the same thing when i got it. the guy has 5w30 mobil1 oil in it....i put 10w40 reg vavolene oil in it and oil pressure bumped up about 15psi....then when i was doing my ls6 intake swap i snapd my oil pressure switch and put a new one in and when i started my car my oil pressure went up another 10. my car has high miles so i think the switch was all gummed up. the needle use to bounce around and now ima solid 40 at idle in gear
#9
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my silverado in sig is the exact same way except the silverado only goes to slightly over 60 on hard acceleration(not necessarily to WOT though) but does not drop below 40 , 0-40 syn. german castrol in both with ac delco filters