This procedure guides you through replacing the oil pressure sensor on a 2018-2024 Toyota Camry with the 2.5L I4 engine, which monitors engine oil pressure and sends data to the ECU.

Warnings

Tools required

Parts

• Oil pressure sensor × 1 — 83530-12040 or equivalent OEM
• Thread sealant (Toyota FIPG or equivalent) × 1 — Use OEM specification

Fluids

• Toyota Genuine 0W-20 — 0.25 qt

Preparation

1. Ensure engine is cold and has been off for at least 2 hours
2. Park vehicle on level ground and engage parking brake
3. Open hood and secure with prop rod
4. Gather all tools and new oil pressure sensor
5. Locate oil pressure sensor on the lower front of the engine block, driver's side near the oil filter housing

Procedure

1. 1

   Access the oil pressure sensor
   The oil pressure sensor is located on the front lower section of the engine block, near the oil filter housing on the driver's side. You may need to reach from above or below depending on accessibility. Use a flashlight to identify the sensor and its electrical connector.
2. 2

   Disconnect the electrical connector
   Press the locking tab on the electrical connector and pull it straight off the oil pressure sensor. Do not pull on the wires themselves. If the connector is tight, gently wiggle it while pulling to release.
3. 3

   Position drain pan
   Place an oil drain pan directly below the oil pressure sensor. Expect approximately 2-4 ounces of engine oil to drain when the sensor is removed. Have shop towels ready to catch any splatter.
4. 4

   Remove the old oil pressure sensor
   Using a 19mm wrench or deep socket, turn the oil pressure sensor counterclockwise to remove it from the engine block. Oil will begin draining immediately upon loosening. Remove the sensor completely and allow oil to drain into the pan. Keep shop towels handy to clean the area.
5. 5

   Clean the sensor mounting bore
   Wipe the oil pressure sensor mounting hole in the engine block with a clean shop towel. Use a wire brush to clean any debris or old thread sealant from the threads in the bore. Ensure the mating surface is clean and free of debris or metal particles.
6. 6

   Prepare the new sensor
   Apply a small amount of thread sealant (Toyota FIPG or equivalent) to the threads of the new oil pressure sensor. Do not apply sealant to the first 1-2 threads to prevent contamination of the oil system. Use thread sealant sparingly.
   ⚠Do not use excessive thread sealant as it can contaminate the oil system and damage the sensor
7. 7

   Install the new oil pressure sensor
   Thread the new oil pressure sensor into the engine block by hand, turning clockwise. Ensure it threads in smoothly without cross-threading. Hand-tighten until the sensor is seated against the engine block, then use a torque wrench to tighten to specification.
   ⚠Cross-threading will damage the engine block threads. If resistance is felt, back out and restart
   Torque spec

   Oil Pressure Sensor20 Nm (15 lb-ft)
8. 8

   Reconnect the electrical connector
   Push the electrical connector firmly onto the new oil pressure sensor until you hear or feel it click into place. Verify the locking tab is fully engaged. Gently tug on the connector to ensure it is secure.
9. 9

   Clean the work area
   Wipe down any oil residue from the engine block and surrounding components using shop towels. Remove the drain pan and dispose of collected oil properly.

Reassembly

1. No disassembly was required for this procedure beyond sensor removal
2. Ensure electrical connector is fully seated and locked

Verification

• Check engine oil level on dipstick and top off with Toyota Genuine 0W-20 if needed
• Start the engine and verify the oil pressure warning light turns off within 2-3 seconds
• Let engine idle for 2 minutes and check for oil leaks around the sensor
• Turn off engine and recheck for leaks after 5 minutes
• Use an OBD-II scanner to verify no oil pressure related trouble codes are present
• Test drive vehicle and confirm oil pressure warning light does not illuminate during operation

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