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Very likely tell you that you have low engine oil level. I surprised that you didnt kill engine driving like that. If oil level is ok then it may indicate low engine oil pressure. See mechanic.
check oil pressure with a gage if okay then change the oil pressure switch. lack of power could be low fuel supply, poor TPS, exhaust partially plugged.
This is correct, low oil pressure on a warm engine is usually from worn bearings and excessive clearance around main and rod bearings. To make sure that this is the actual case you can hook a mechanical gauge to the engine and find out for certain what the oil pressure to be.
check engine oil level sound like oil level very low.if oil level okay problem could be faulty oil pump or oil pump shaft to distributor broken or timing chain has lot of slack causing oil pump not to turn fast enough build up oil pressure or engine bearings worn out.
first thing check is the engine oil level.if oil level okay check oil pressure should be for the 4.2 engine oil pressure should be 12 psi @ 1200 rpm for the 5.3 oil pressure should be 18 psi @ 2000 rpm if oil pressure good problem in the oil pressure sending unit. if oil pressure is low problem faulty oil pump or worn crankshaft bearings if oil pressure low engine will have rod knock.make sure you are using correct oil viscosity if oil too thick you will have low oil pressure oil too thin you will loose oil pressure.
if oil level okay in car,have oil pressure checked should be 60 psi @ 1850 rpm if not,your oil pump faulty or you have worn engine bearings.if oil pressure is low you will hear rod bearing noise like engine knocking bad, thats bad news engine damaged.if oil pressure okay, you could have faulty oil sending unit or oil level sensor on oil pans faulty.have vechicle code scan before buying new oil level sensor.
It can mean one of two things. Either your oil level is too low, meaning more than 1 quart, or your pressure is too low. The first thing to do is check the oil level in the engine and top it up. If the light goes out after this then everything is okay. If the light stays on you should get the oil pressure checked with a mechanical guage to get an accurate reading.
Get this done as soon as possible. Manufacturers don't give you much room with these lights, when they come on you are very close to the engine meltdown point. Hope this helps.
LOW OIL PRESSURE WILL CAUSE OIL PRESSURE SWITCH OR SENDING UNIT TO DISABLE FUEL PUMP.CHECK FOR OIL PRESSURE.REMOVE OIL PRESSURE SENDING UNIT SCREW IN OIL PRESSURE GAUGE TESTER INTO BLOCK WHERE OIL PRESSURE SENDING UNIT GOES TURN ENGINE OVER CHECK FOR OIL PRESSURE SHOULD BE 18 PSI @ 2000 RPM. BESURE TO WRAP TEFLON PLUMBERS TAPE AROUND THREADS TO THE OIL GAUGE PRESSURE TESTER OIL WILL SPRAY EVERY WHERE.IF YOU ARE GETTING NO OIL PRESSURE.YOUR OIL PUMP FAULTY.YOUR ENGINE CRANKSHAFT BEARINGS WORN OUT.WORN DAMAGED CAMSHAFT OIL PUMP DRIVE GEAR OR OIL PUMP DRIVE ROD DAMAGED OR BROKEN. IF OIL PRESSURE OKAY OIL PRESSURE SENDING UNIT IS BAD.
CHECK OIL LEVEL SOUND LOW.IF OIL LEVEL OKAY HAVE OIL PRESSURE CHECKED.IT SHOULD BE 36 - 71 @ 3000 RPMS. IF OIL PRESSURE GOOD.YOU COULD HAVE A FAULTY OIL PRESSURE GAUGE OR SENDING UNIT.IF OIL PRESSURE LOW OIL PUMP PRESSURE REGULATOR IS FAULTY.
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