Oil Pressure - Eratic!
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Junior Member
Joined: Dec 2004
Posts: 25
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Car: '92 Camaro RS
Engine: V8 5.0L
Transmission: Automatic
Oil Pressure - Eratic!
I just recently changed my oil, thinking that it would solve this problem - but it didnt.
My oil pressure is rather erratic - when I first start up, pressure is normal. Within the 20-35 range. Then, after maybe 15 miles of driving - or 15-20 minutes of driving - whenever I come to a stop - the pressure will drop to zero and the engine will sort of "studder"
It's rather odd. I'm not sure what it is... anyone?
My oil pressure is rather erratic - when I first start up, pressure is normal. Within the 20-35 range. Then, after maybe 15 miles of driving - or 15-20 minutes of driving - whenever I come to a stop - the pressure will drop to zero and the engine will sort of "studder"
It's rather odd. I'm not sure what it is... anyone?
Joined: Mar 2000
Posts: 43,187
Likes: 45
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Probably the oil pressure sending unit. Best way to verify that is to hook up a mechanical gage, either temporarily, or permanently.
Supreme Member
Joined: May 2003
Posts: 1,995
Likes: 0
From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
my car did exactly this for about a month... until it started to make a knocking sound. I spun a bearing. Joined: Mar 2000
Posts: 43,187
Likes: 45
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Then again, it may really be low oil pressure, in which case you may start wiping out bearings...
TGO Supporter
Joined: Jul 2003
Posts: 4,803
Likes: 2
From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Verify the oil pressure with a mechanical gauge and work from there.
Generally, for me, if the oil pressure drops and is accompanied with a sudden ill-acting engine, something is "not right."
Generally, for me, if the oil pressure drops and is accompanied with a sudden ill-acting engine, something is "not right."
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