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Replaced oil sensor light still comes on

Oil sensor

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MAY---May-be you really have low oil pressure.. The way this sensor works is when you turn off the engine it closes to ground.. and when you start the engine.. the oil pressure opens it and the light goes out.. SO.. if the wire going to it is grounded out somewhere between the sensor and the dash board the light will stay on.. 3 choices.. 1. bad sensor (even though you replaced it) 2. wire is shorted to ground.. remove wire from sensor while engine is running.. light should go out. 3. you actually have really low oil presure. next.. after you have exuasted #1-2. you can remove sensor and install a real oil pressure guage and see what the pressure really is.. If you have very low or no oil pressure..1. Check oil level.(probably should have done this first) 2.pull oil pan and replace oil pump.. while you are there check a main bearing and a rod bearing for wear.. worn out bearings will cause low oil pressure. If you have good oil pressure install the pressure guage permanetly and forget about light.

Posted on May 25, 2014

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Oil sensor switch replaced but oil light still comes on . Audi a6


Does the oil light come on with the oil pressure sensor wires disconnected?
Is there oil pressure in the engine when it is running?

Feb 20, 2018 | Audi Cars & Trucks

Tip

How to Replace the Oil Pressure Sensor on a Ford F-150?


If there is oil in the car but if not getting detected or if there is a oil leak then its time to replace oil pressure sensor.
1) The oil pressure sensor is located under the hood on the driver side of the engine.
2) You will see oil pressure sensor next to the oil filter.
3) The oil pressure sensor is connected by a connector cable. Remove the connector cable and remove the sensor from the harness with your hands carefully.
4) The sensor is screwed in the engine blocks. Rotate the sensor screw anti clock wise to take it out.
5) Now before removing the old oil pressure sensor, please take note of the position in which it is placed. So while inserting new sensor there is no problem about placing the new sensor.
6) Insert the new sensor carefully and connect the connector cable to the proper position.
7) And reverse/refit all the wires / parts which you removed while replacing the old Oil pressure sensor.

This will help. Thanks

on Mar 22, 2010 | Ford F-150 Cars & Trucks

Tip

How to Change Oil Pressure Sensor in a car ?


If there is oil in the car but if not getting detected or if there is a oil leak then its time to replace oil pressure sensor.
1) Remove the oil pressure sensor. The oil pressure sensor is located in the area of the oil filter.
2) Remove hindering parts. Also remove the parts that are blocking the pressure sensor to come out.
3) The oil pressure sensor is connected by a connector cable. Remove the connector cable. You will notice a rubber boot on the cable Pull it back and push the tab that will unlock the connector.
4) After the connector cable is unplugged, carefully remove the oil pressure sensor with the help of open end wrench.
5) Now before removing the old oil pressure sensor, please take note of the position in which it is placed. So while inserting new sensor there is no problem about placing the new sensor.
6) Insert the new sensor carefully and connect the connector cable to the proper position.
7) And reverse/refit all the wires / parts which you removed while replacing the old Oil pressure sensor.

This will help. Thanks

on Mar 22, 2010 | Audi AllRoad Cars & Trucks

1 Answer

Oil pump replaced and oil light still comes on


Hi there , i would say that you should replace the oil pressure sensor as well , the old one would be well soaked in oil and wont sent pressure signal to can-bus , so light will stay on until it is replaced.

Nov 07, 2012 | Cars & Trucks

1 Answer

I just replaced my head gaskets and my oil light comes on dim at first and gets brighter as the rpm's go up. What would cause this?


check the wire at or near oil pressure sensor. it may be in contact with the engine or exposed wires that ground more consistently when the vehicle is traveling at high rpm.....hi sppeed....more blowing air....your light is a dummy lite ...der....and the only other possibility is not a happy one. the light only should come on when no oil is passing along the sensor. perhaps your oil is low dangerously low. go get you oil changed. if the light no longer is on when you drive off then oil is disappearing.. somewhere....never good.....the odds i feel are much greater that the wire is the cause for the flickering light. over plugged oil pump screen, no oil, failed sensor, and no note of poor vehicle performance.

Feb 16, 2011 | 2000 Nissan Frontier

1 Answer

2003 Dodge Neon Check Oil light wont go off. Car has oil-full, and just put in new Sensor.


Do you mean the oil level sensor was replaced, or do you mean the oil pressure sending unit was replaced?
If it was the oil pressure sensor was replaced, then I would look into an oil pump going bad, not supplying enough pressure to the oil pressure sensor. This can be tested by putting an oil pressure gauge into where the oil pressure sensor normally goes, bypassing the circuitry that leads to the dash light for the oil pressure.

If it was the oil level sensor, then check for bad wiring.

Oct 26, 2010 | 2003 Dodge Neon

1 Answer

Oil sending unit is toast. What is the trick to changing it, besides having very small hands and can see around corners? 2003 gmv v8


Engine Oil Pressure Sensor / Switch Replacement Removal & Installation 4.3L Engine To Remove:
Oil pressure sensor removal/installation (4.3L engine shown) gm-04-43-572.gif

  1. Clean the area near the oil pressure sensor.
  2. Remove the distributor.
  3. Disconnect the electrical connector from the oil pressure sensor.
  4. Using J 41712 or equivalent, remove the oil pressure sensor from the fitting. NOTE: Note the orientation of the oil pressure sensor fitting before attempting to remove it. This is so it can be installed in the original position.
  5. Remove the oil pressure sensor fitting, if necessary.
To Install:
NOTE: If the fitting has been removed, clean and apply sealant to the threads before installing it.
  1. Install the fitting until snug, if it was removed.
    • Tighten the fitting to 11 lb ft (15 Nm). Continue to tighten the fitting until in the original position.
  2. Apply sealant to the threads of the sensor.
    • Install and tighten the sensor to 22 lb ft (30 Nm).
  3. Connect the electrical connector to the oil pressure sensor.
  4. Install the distributor.
  5. Check the engine oil level and adjust if necessary.
4.8L, 5.3L & 6.0L Engine To Remove:
  1. Remove the engine sight shield. chevy_aval15_02-04_opcon.gif

  2. Disconnect the oil pressure sensor electrical connector. chevy_aval15_02-04_opsocket.gif

  3. Using J41712 sensor socket or equivalent, remove the oil pressure sensor.
To Install:
  1. Apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent, to the threads of the sensor.
  2. Using J41712 sensor socket or equivalent, install the oil pressure sensor.
    • Tighten the sensor to 15 ft. lbs. (20 Nm).
  3. Connect the oil pressure sensor electrical connector.
  4. Install the engine sight shield.
6.6L Diesel Engine To Remove:
  1. Raise and safely support the vehicle NOTE: Clean the area around the sensor. Do not allow debris to enter the engine
    6.6L Oil pressure sensor gm_trk_sil25_02-04_66_oil_press_sensr.gif

  2. Remove or disconnect the following:
    • Engine oil pressure sensor electrical connector
    • Engine oil pressure sensor using a suitable tool
To Install:
  1. Apply sealant to the threads of the oil pressure sensor
  2. Install or connect the following:
    • Engine oil pressure sensor and tighten the sensor
      1. Torque to: 22 ft. lbs. (30 Nm)
    • Engine oil pressure sensor electrical connector
  3. Lower the vehicle
  4. If required, check and adjust the engine oil level
  5. Test drive the vehicle to confirm the repairs
8.1L Engine To Remove:
  1. Remove the engine appearance cover.
  2. Disconnect the electrical connector from the oil pressure sensor.
  3. to remove the sensor.
To Install:
  1. If installing the old sensor, apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the threads of the sensor.
  2. Using J 41712 or equivalent, install the sensor.
    • Tighten the sensor to 22 lb ft (30 Nm).
  3. Connect the oil pressure sensor electrical connector.
  4. Install the engine appearance cover.
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Sep 18, 2010 | 2003 GMC Sierra 1500

1 Answer

We are trying to find out if my 1997 buick le sabre has an oil pan sensor or oil pressure sensor and where it is located at so that we can change out the oil pan


all car well have a oil pressure sensor, the oil pressure sensor is what lets you know, you have good oil pressure, if light comes on low oil pressure, need to turn off engine before major engine damage occurs, the oil pressure switch will be next to the oil filter, screw into the engine block, your car also has a oil pan sensor, called oil level sensor, that one screw into the side of the oil pan, it let you know when your some what low on oil.

Sep 08, 2010 | 1997 Buick LeSabre

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