Question about 1993 Chevrolet S-10
Oil pressure drops to almost zero at idle, manual trans. after about 6 miles on highway, engine hot ( 180-190) pressure almost nill. Valvoline 10w-30 in it now
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Posted on Jan 02, 2017
Depending on the amount of miles, maintenance records, or how hard the car has been driven either by a previous owner, or by yourself. The engine's main crankshaft bearings or the connecting-rod bearings could be excessively worn.
Also, it could very well be a wiring problem to the sensor and/or computer causing the problem.
Posted on May 16, 2008
DOES IT HAVE A LOT OF MILES ON IT OR MAY BE THE OIL PUMP IS IS GOING OUT? THERE IS A SPRING IN THE PUMP THAT IS A BYPASS FOR HOW HIGH PSI IT MAY HAVE BROKE THAT WILL GIVE YOU LOW PSI.
Posted on Jan 18, 2009
SOURCE: vortex v6 intake gasket ?
HI you could do a oil pressure test whit a gauge or yest replace your oil pressure sending unite if engine is not making tapping sound when pressure reads low it may be a bad pressure switch.now the coolant problem may be bad intake gaskets look at 4 corners of intake for sign of coolant if you see it outside its probably getting inside your lifter valley.Hope this helps
Posted on Sep 26, 2009
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