Question about 2001 Ford Crown Victoria

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Engine problem ok what happen is the oil presser gauge was bousing up and down and my roomates and i really did not know what was happening and we kept driving well when i was at a friends house i was called and told the the engine was making a clancing sound and it was not till later that i found out that it ran out of oil and now it sits and i am not sure if we should just put oil in it will it be ok or will we have to get a new engine

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  • dark90002003 Jan 22, 2009

    well i hope you can help before my roomate spend a whole bunch of muny

  • robt10 Jan 30, 2009

    Oil gauge contunes to fluctuate even after oil was changed correctly by jiffy. Gauge goes to L when motor is shiut off once engine is warm gauge stays in the middle where it usually was



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If the dip stick doesn't show any oil on it, put 4 to 5 quarts in it, or until the dip stick reads full.Start the engine and let it idle a few min.You will hear noises until the oil gets thru the vavle train, it should quiet down, if you hear a knocking, or any similar noise,shut it off. rebuild engine time. good luck.

Posted on Jan 23, 2009


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1 Answer

GM said the sensor by the oil filter on a 1997 achevia is a crank sensor you its a oil presser sw. and it is linked to Ign sw. how , will the eng die in a second if the wires are broken or the sensor

the oil pressure sensor tells the ECM when there is insufficient oil pressure to safely run the engine
when you start an engine there is oil covering the pump inlet and the pressure buils up
if there is insufficient oil to maintain pressure ,or the pump cannot maintain a low preset pressure , the ecm will shut the engine down to protect it
like wise if the wiring is loose /faulty the signal from the sensor is interrupted and that tells the ecm to shut the engine down
again if the sensor is faulty , the ecm will shut the engine down
how to fix :-
install a mechanical oil gauge in the system and check for oil pressure achieved
replace the sensor switch with a known good one
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No oil pressure 2000 silverado 4.8 eng

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The oil pressure gage started registering 1/4 instead of it's normal 1/2 even at 1700 rpm. I FREAKED! Thoughts?

I have an oil pressure gauge that reads in analog, 0 to 150? something like that, any way, it moves like a tachometer, idle down around 10, revs up to 55, 60 when taking off and then settles down at 35 while cruising, I notice a change with heavier oil. Also, I know it will read 55 lbs pressure with 1 qt of oil in there, I tried it. So the pressure gauge has nothing to do with amount of oil in engine. As long as it is full, It should be ok, as long as it is reading pressure, but if the pressure drops off, shut it down and find out what happened, If it loses all the oil, the temp light should come on long before the oil light.

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1 Answer

Oil light flickers on and off however dipstick is showing full of oil. Suggestions? Thanks....

One of two things may be happening. If the oil light stays off until the engine warms up and then begins to flicker on/off when you are idling & in gear [say at a stop sign] then you could actually have low oil pressure due to worn internal engine parts, OR, you could have a faulty sending unit that is reading the pressure incorrectly [usually low] and turning on the light. The best way to find out for sure is to have someone remove the sender and thread in an oil pressure test gauge to check and see exactly how much oil pressure you really have when the engine is first started and fully warmed up. You could just simply replace the sender and if the flickering is gone after that then you should be ok but if the flickering continues then odds are you actually do have low oil pressure. I would strongly recommend having the oil pressure tested for peace of mind then you'll know for certain what is happening. Engine bearings don't survive very long without sufficient oil pressure so you should have it checked out asap.

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I have a 200 lincoln towncar and the oil light stays on until the warms then goes of and stays off only happens in the morning when i first start the car

In order to be sure u don't have a low oil pressure condition it is very important that u have a shop hook up a test gauge to the engine and verify the actual oil pressure, if that pressure is ok then they can replace the oil pressure sending unit and that should correct the light problem. Remember if the pressure is really low you run the risk of serious engine damage and a $3000.00-$4000.00 bill for a new engine.

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Oil pressure loss at times while driving down the highway . the oil pressure gauge goes from 40 pounds to 0 pounds. you shut it off right away then restart it and oil pressure comes right and holds 40...

Mate .2 things.The oil pressure sending unit is playing up or its not.The other is how long since an oil /filter change.If you know the oil is ok ,get the sender unit fixed.Oil is a lot cheaper than metal if things are not right.If it happens all of a sudden,the sender unit may be at fault.Hope this helps

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When to car warms up and rpms are at lowest point the oil pressure light comes on. i had the oil changed and the level is full. it does not happen all the time. it only happens when the engine is at...

There are two basic causes. One, that your oil pressure is really too low at idle. You did not state the mileage, but if the vehicle is high-mileage, this is a possibility. The other is the oil pressure sender is bad, and reporting low pressure when it is actually OK. The best way to know for sure is to have a shop test the actual oil pressure using a calibrated gauge. If the vehicle is lower mileage, and you think the pressure is really OK, it may be cheaper for you to just replace the sender as a test(if you are mechanically inclined enough to do it yourself). If the warning light goes out, the old sender was bad.

If replacing the sender does not cure the problem, then you have low oil pressure. This will shorten the life of the engine, so you need to have a mechanic diagnose the problem. Possible causes are: bad oil pump, excessive bearing clearances due to high mileage, oil pump intake blockage due to sludge in the oil pan, stuck pressure relief valve. Unfortunately, none of these problems will be cheap to fix.

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1 Answer

1995 Jaguar XJ6 oil pressure gauge

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1 Answer

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