Question about 1997 GMC Jimmy

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Oil pressure sender

Help me find my oil pressure sender

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Its going to be on the back part of the otor its i round cylinder with one wire running to it almost looks like a spark plug should be almost right in the middle at the back of the motor

Posted on Oct 25, 2008

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3800. Where is the oil pressure sending unit located?


I'm not familiar with your vehicle. However, an oil pressure sender unit is usually located on the block, below the cylinder head.

it's more often than not a screw - in unit which may have a brass appearance and have 1 or more electrical wires coming from it.

Here is a link which will show you generic images of sender units:
oil pressure sender unit Google Search

They are -usually - just screw-in items. They are not difficult to change.

Here's a further link that may help you:
2005 Chevrolet Impala 3800 oil pressure sender unit Google Search

Feb 19, 2016 | 2005 Chevrolet Impala

2 Answers

Where is the oil pressure sensor on a 1995 Chevy Truck? V-8, 5.7 L. I have the new one, just can't find the one I need to replace.


If you go to a parts store, I prefer CARQUEST, they will gladly print up a schematic or just show you where it is if that is all you need.

Feb 01, 2016 | Cars & Trucks

1 Answer

Oil pressure gauge is not registering a reading. oil pressure is good. any suggestions on what the problem may be?


o.k. but the sender has a bimetal element inside it even if the connection looks good the sender inside can be damaged and not making contact thus no reading also I think you might have the wrong sender installed so here's the photo's to help you
25431847-mw15b40k2qagavg3tg52bcrc-4-0.jpg
2.3L with the gauge
25431847-mw15b40k2qagavg3tg52bcrc-4-2.jpg
2.3L with the light
25431847-mw15b40k2qagavg3tg52bcrc-4-5.jpg
2.9 with the gauge
25431847-mw15b40k2qagavg3tg52bcrc-4-9.jpg
2.9L and the 2.3L are the same for each engine with the light the gauge senders are different this could be the problem wrong sender installed and its not reading pressure because it can't? good luck stephen

Feb 15, 2015 | 1989 Ford Ranger

1 Answer

Low oil pressure


There's a couple of things you can try. You could have a bad oil pressure sender or a bad gauge. Without spending a lot you could replace the sender unit. If the gauge is defective, it is more expensive and the new sender was a waste of money.

You could have someone put on a pressure test gauge which would be threaded into the hole from removing the oil sender. This will tell you if the oil gauge and old sensor are accurate. If the readings from the mechanics add-on gauge are still low, then you have an internal engine problem.

A mechanic will cost you to hook up a test gauge, and you still may have to buy a new sender. Probably the best thing is to do is install a new sender yourself and if it works you are done; if it does not help either go to a mechanic or replace the gauge.

An internal engine problem could be an oil pump, or bearings.

Apr 21, 2014 | 2009 Lincoln MKZ

1 Answer

No engine oil pressure.


First things first obviously you want to check the oil level.

Assuming that the level is good, and the oil isn't sludge, then we can move on.

If the engine runs smoothly we will have to see it it is a faulty gauge, or a faulty sender. If the engine knocks, and rattles, then it may be a serious problem, which may need to be brought in for professional help.

To test the sender and gauge first turn your ignition to the run posistion with the vehicle not running.
Then look at you oil pressure gauge. If it reads 0 you will then want to locate the oil pressure sender and unplug the unit. If the gauge goes up then your gauge is working properly, and you sender has failed. Replace the sender and you should be golden.

Dec 13, 2010 | 1994 Plymouth Voyager

2 Answers

Where is coolant temp sensor located


Not sure of your engine size so please pick the appropriate diagram:


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Coolant temperature and oil pressure senders-4.3L engines



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Coolant temperature and oil pressure senders-5.0L and 5.7L engines



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Coolant temperature and oil pressure senders-7.4L engines



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Coolant temperature and oil pressure senders-6.2L and 6.5L diesel engines

Sep 15, 2010 | 1994 GMC Sierra

1 Answer

Engine runs fine oil checks out good yet oil light comes on?


You need to verify that oil pressure is ok.
They sell gauge at the parts store which has to be connected to the engine block via oil pressure sender hole.
For that , take out oil pressure sender(unscrew) and screw the gauge in to the hole (con thread).Run the engine and see if pressure is ok at idle and on higher RPM.Gauge suppose to have scale (norm. , low , high ).If oil pressure within specs , repl. oil pressure sender.
Or just replace oil pressure sender and see if that helps.They are not expensive ~ $30.00 , gauge probably the same money.

Jun 29, 2010 | 2000 Toyota Tacoma PreRunner

3 Answers

Where is the oil pressure sending unit on my '98 chevy s10 blazer 4.3? and could you send me a pictures of where it is?


on the top left side of engine near the distributor/high voltage switch sorry dont have picture

Mar 30, 2010 | 2003 GMC Sonoma Extended Cab

1 Answer

Where is the oil pressure sending unit located on a 2000 jeep grand cherokee 4.0 liter


Removal & Installation
  1. Disconnect the negative cable from the battery.
  2. Raise vehicle on hoist.
  3. Remove front splash shield.
  4. Disconnect oil pressure sender connector (4).
  5. Remove the pressure sender (2).
6eaedba.gif
Oil pressure sending unit


To install:
  1. Install oil pressure sender.
  2. Connect oil pressure sender wire.
  3. Install front splash shield.
  4. Lower vehicle.
  5. Connect the negative battery cable.

Jan 12, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Where is the oil sending unit switch located on a 2003 4.0L jeep grand cherokee?



Removal & Installation

  1. Disconnect the negative cable from the battery.
  2. Raise vehicle on hoist.
  3. Remove front splash shield.
  4. Disconnect oil pressure sender connector (4).
  5. Remove the pressure sender (2).
7f7455b.jpg
To install:
  1. Install oil pressure sender.
  2. Connect oil pressure sender wire.
  3. Install front splash shield.
  4. Lower vehicle.
  5. Connect the negative battery cable.

Oct 08, 2009 | 2004 Jeep Grand Cherokee

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