Question about 1994 Mitsubishi 3000GT

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Low oil pressure

Hi my son has got a fto and the oil pressure is low could this be the oil pump or is it something else. the car is a 1994 model
thanks kev

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It could be oil pump but it can also be worn bearings in the bottom and journals.

Posted on Dec 20, 2008

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2 Answers

No oil pressure


Are you certain it is the oil pump? Have you checked the actual oil pressure with a guage? There are other things that could cause low oil pressure, such as the pressure relief valve. I would get a manual on the car. This should tell you all you all you need to know, including how to change the oil pump, if that is indeed necessary. I'm not certain if you can pull the pan on that car without pulling the engine. Some you can, but you have to support the engine while you remove the cross member. Again, a book will show you the easiest way. I hope I have been helpful.

Mar 29, 2014 | 1994 Chevrolet Camaro

1 Answer

I have a 1994 jeep cherokee sport with only 89,000 mile . the top of the motor has a loud kocking . what could it be . a rocker loose or broke


Yeah either one...but that doesn't cause the low oil pressure light to come on. When you have oil pressure light comes on, that means that your oil pump is failing and/or your main bearing seals are failing. Costly repair.

Mar 19, 2014 | 1994 Jeep Grand Cherokee

1 Answer

Rough idle


Low oil pressure is caused by bad bearings, low oil level. faulty oil filter, pump pressure regulator faulty and wrong grade of oil .AS to the other run the fault codes to check for faulty sensors.( probably MAF sensor )

Oct 12, 2013 | 1996 Mazda Pickup

3 Answers

My low oil light comes on while trying to crank my car and car stalls; will not start until I keep trying a couple of times. After it starts it runs fine and then shuts off after backfiring sometimes and...


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.

Sep 28, 2011 | 1994 Chevrolet Caprice Classic

1 Answer

Oil pressure drops to zero after 20 min of running. New oil pump installed and it stills happens.


oil pumps do not fix low oil pressure problems. . you have bearings with too much clearance. The engine is probably just worn out.

Dec 13, 2010 | 1994 GMC Jimmy

1 Answer

I am having a problem after warm up and at idle speed the oil pressure drop low enought to trigger the check gauges light. I have been trying to trouble shoot the problem with oil changes etc. but it is...


4.3L Engine To Remove:
  1. Remove or disconnect the following:
    • Engine oil pan
    • The oil pump bolt gm_truck_43_ol-pmp_blt.gif

    • The oil pump
    • Inspect the pins (oil pump locator) for damage gm_truck_43_ol-pmp_loctr-pns.gif

      1. Replace the pins if required
  2. Clean and inspect all parts.
To Install:
  1. Inspect for properly installed pins (oil pump locator). Note: Do not reuse the oil pump driveshaft retainer. During assembly, install a new oil pump driveshaft retainer.
  2. Install or connect the following:
    • The oil pump
      1. Position the oil pump onto the pins
    • The oil pump bolt attaching the oil pump to the rear crankshaft bearing cap
      1. Tighten the oil pump bolt, Torque to: 66 lb ft (90 Nm)
    • The oil pan

Jul 13, 2010 | 1994 GMC Sonoma

1 Answer

1994 mercury Topaz oil light is on and i do not need oil


Low Engine Oil Pressure

The oil light is signaling low oil pressure in the engine's lubrication system. You say that you have checked the oil level in the engine and it is ok.

The oil pressure needs to be checked with an oil pressure gauge. (It is most unlikely that the warning light is faulty).

Should the oil pressure prove to be low - as I expect it will - the cause needs to be investigated. It is likely that there is a malfunctioning or failed oil pump or the oil pressure relief valve is sticking in the fully open position.

Failure to change the engine oil, at least at intervals stated by the manufacturer, will result in severe oil degradation and reduced oil pressure. However this is usually not enough to trigger an oil pressure warning light.
If you have changed the engine oil in the last six months or so, and have not done over about 7000 miles since then, oil degradation should not be contributing to the low pressure problem.

If the oil pressure gauge check confirms low oil pressure I suspect, on further investigation, that you will find a problem with the engine's oil pump.

You will need to get your vehicle to a reputable auto service shop to have the oil pressure checked and the problem investigated. Do not drive the car in this condition (except to get it to the repairer). The engine is not receiving sufficient lubrication and you run the risk of expensive engine damage and total engine failure.

Hope all goes well with it. Cheers.

Dec 07, 2009 | 1994 Mercury Topaz

2 Answers

Does a worn out dodge stealth oil pump make a ticking sound. I also have a low oil pressure being indicated in my gauges in the dash


If the gauge is reading low oil pressure - I would change it regardless if it was ticking or not.. I have never heard one tick..

The ticking could be a lifter (or something else) not getting enough oil..

Rate well ;o)

Jul 23, 2009 | 1994 Dodge Stealth

2 Answers

I have low oil pressure in my 1994 chevrolet suburban


start by testing your oil pressure sensor, and then if not that drop your oil pan and the screen on your oil pump tube may be restricted. or change the oil pump could be weak

Jan 23, 2009 | 1994 Chevrolet Suburban

3 Answers

OIL ISSUE


I have a 94 4.0L and I use 10W-40 in the winter and 20W-50 in the summer. It keeps the pressure up and it doesn't smoke when I start it because of the valve seals. It takes 8 quarts everytime including the filter. 2 gallon jugs. I change it about every 4,000 miles.

Oct 12, 2008 | 1994 Jaguar XJ6

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