Question about 1994 Dodge Caravan

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WHY OIL PRESSURE IS LOW

1994 DODGE CARAVAN OIL PRESSURE IS LOW

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Oil level may be low. Check your oil.

Posted on Oct 10, 2014

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6ya6ya

6ya staff

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Posted on Jan 02, 2017

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MrScary66613

Travis Humphries

  • 1990 Answers

SOURCE: OIL PRESSURE LIGHT INTERMINTENLY GOES OFF AND ON

Keep checking those Fluids. it sounds a lot like your Oil pump is taking a Slow Death March. At some point you will need to replace it.

Posted on Jan 12, 2009

Anonymous

  • 1 Answer

SOURCE: oil pressure light at low RPM

Before you have major repair done on your car because of the "oil pressure light", review the list and see if any of these might be the source.  Some of the things on this list are things you can do yourself, some only done by a mechanic (inexpensively), and others require the aid of a mechanic.
1.  Check to see if you have a leak.  Low oil levels can make the oil sensor light come one.  Check your oil level following the manufacturers recommended procedure or use the information listed here http://autorepair.about.com/od/regularmaintenance/a/checkoil.htm.  If you do not have a low oil level, but still suspect a leak, place a drip pan under the oil plug overnight.  If you have a leak, you'll see signs of it there.  Then take the vehicle to a trustworthy mechanic and let them trace the leak.  It is possible for your engine to only leak when it is hot, so make sure you get the engine nice and warm before you put the car away for the evening and place the drip pan under your vehicle.  Other signs of an oil leak are listed below as well as an "oily" exhaust that leaves it mark on your bumper or "blue smoke" as you drive/idle.
2.  Check the coolant levels. If the coolant is low, the oil will heat up faster and cause a viscosity breakdown.  When the oil viscosity is low (= thin oil), the oil sensor light can come on.  If the coolant is low, add more.  Keep in mind that an engine running hot will heat the engine oil to the point that it thins out and burns off in the cylinders.  If the coolant level is fine, have the coolant (water) pump checked.  If the coolant is not circulating well through the engine, you'll probably have coolant boiling over, too.
3.  If you can afford to do it, change your oil to a higher or lower viscosity.  Refer to your maintenance manual and your trusted mechanic. I say this because, if your oil is thinning out too much because the viscosity is too low, your "check oil" light will come on.  If your engine oil is too thick, you engine will need added internal pressure to get it to circulate.  At lower RPM (just like thin oil), your engine oil light will come one.
4.  Have the oil pressure checked by other than an electronic means.  Your trusted mechanic can place an oil gage between your oil filter and the rest of the engine or on the oil fill cap of the engine.  If you are having an oil pressure problem that is seal-related, that should narrow it down.  If you can't afford to do that, when you get your next oil change, replace: the oil fill cap, PCV valve, and air filter.  All these contribute to the measurement of engine oil pressure by that picky little oil pressure sensor.
5.  Have the oil pressure sensor checked.  You may need some weird add-on to make it behave.  Do a search for the following part and read and you should have a better understanding: "part # 05017800AA a terminal/wire/vent to the oil pressure switch connector".  Never forget that sensor are usually engineered to report a problem well before a catastrophic failure can occur.
6.  If you're driving a high-milege car, make sure you are up to date on all of the engine-specific services.  For some vehicles, it is recommended that the head gaskets are replaced.  If you have internal engine leaks because of it, this will solve most of those issues.  Signs of this include: coolant visible in the crankshaft area (you can see this with the oil cap off), oil fouling your coolant (you can see this in the coolant reservoir), or smokey exhaust.  Expect your trusted mechanic to recommend that you change your spark plugs, timing belt, and cam shaft gasket at the same time.
7.  See if the oil pump needs to be replaced.  A faulty oil pump can contribute to low oil pressure as it fails (but hasn't failed, yet).  
8.  Do all of the above BEFORE you take to recommendation to have your engine replaced.
I have a 1998 Chrysler Cirrus (I know it's not a minivan, but hear me out).  I've been the single owner and have learned more about how engineering oversights or over-cautiousness can send you to the mechanic for just about everything.
Hope this helps!

Posted on Jan 20, 2009

robert kious

  • 58 Answers

SOURCE: Dodge Caravan radio won't work

you need to check fuses on the drivers side dash panel. look for the iod fuse may be 2 unplugg the iod fuse then plug it back in

Posted on Jan 27, 2009

glchristie

  • 54 Answers

SOURCE: 2003 dodge grand caravan ac recharge

you should be adding the 134a to the system the low pressure switch is doing its job by not allowing the compressor to kick on, it wont kick on until there is enough 134a in the system to be above the preset pressure for the low pressure switch.

Posted on Jun 27, 2009

Patrick Rayome

  • 1757 Answers

SOURCE: 98 Dodge Caravan Oil Light/Alarm comes on

Remove, check and replace the Oil Pressure Sensor. It should be located adjacent (just left of) the oil filter.

Posted on Jan 03, 2010

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2 Answers

Engine oil light keeps coming on and off when i stop driving on my dodge caravan 2002


Check your oil level it could be low or it could have a faulty oil pressure switch.

Jan 19, 2012 | 2002 Dodge Caravan

1 Answer

Oil is in the car but oil light comes on


If it is the low oil level light, the sensor uses the oil to close the circuit, if the wiring is broken it will cause the light to come on.
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Could be low oil level, faulty oil pressure sensor, clogged oil filter, or just plain worn out. Check the level first.

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Oil flow to the rocker arms -1994 dodge caravan


FIRST CHECK OIL PRESSURE IT SHOULD BE 30 - 80 PSI AT 3000 RPM.IF NOT YOUR OIL PUMP PRESSURE REGULATOR FAULTY.IF ALL IS GOOD OIL + FILTER BEEN CHANGED.POSSIBLE CAUSE TO NO OIL FLOW TO THE ROCKER ARMS COULD BE PLUGGED OIL PASSAGES IN ENGINE BLOCK.SLUDGE BUILD UP IN OIL PAN CAUSING POOR OIL PICK UP.OR WORN DIRTY LIFTERS WONT PUMP OIL.

Jul 20, 2010 | 1994 Dodge Caravan

1 Answer

No pressure. lights not guage. Where is the oil pump how much might the parts be?


if the oil pressure is actually low (and not just a false indication) then you should hear valve lifters making a clatter .. if they are not making noise then you might just have a bad oil pressure sending unit (small part that screws in) .. if you do hear clatter then in some cars the intake screen on the oil pump can be clogged with sludge ... that doesnt happen often with the caravan but possible if oil hasnt been changed for a long time ... the oil pump is located inside the crank case and service requires removal of the pan ... if you have valve clatter then driving the car can do a lot of damage if the problem is not fixed ... check the oil filter for damage or clogging ... of course check oil level. a milky appearence in the oil would indicate water in the oil (often a blown head gasket) ..

Jun 24, 2010 | 1994 Dodge Grand Caravan

1 Answer

How do I stop and/or turn off the low oil pressure alarm


You need to verify that the oil pressure is within spec first. If it is then the sending unit is probably oil soaked and faulty. Unplug the sending unit and jumper the terminals together. The bell should go out.
Replace the sending unit.

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1 Answer

Oil light came on when idling; oil changed; still happening occasionally. If I put it in park or neutral and rev it - the oil light goes out. Could it be the oil sending/pressure unit? Is there an easy way...


make sure are using a genuine dodge oil filter and correct grade of oil to check further you need to have the oil pressure checked using a master gauge a garage would do this for you if ok replace pressure switch if very low could be pump and bearing wear is the idle speed set too low i would check this

Feb 08, 2010 | 2000 Dodge Grand Caravan

1 Answer

98 Dodge Caravan Oil Light/Alarm comes on Intermittently (High and Low RPM)? Any Ideas?


Remove, check and replace the Oil Pressure Sensor. It should be located adjacent (just left of) the oil filter.

Jan 02, 2010 | 1998 Dodge Grand Caravan

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