Editing Openai/694dfcaf-68dc-800b-bae4-d240abece78b (section)

=== Assistant: Got it — 3.0L V6 + oil light on lines up perfectly with this being the oil pressure sensor on your 2010 Mercury Milan P… ===
Got it — 3.0L V6 + oil light on lines up perfectly with this being the oil pressure sensor on your 2010 Mercury Milan Premier.

Here’s the clear picture and what to do next 👇

==== Oil Pressure Sensor / Oil Pressure Switch ====

On the 3.0L Duratec V6, this sensor:
* Screws directly into the engine block
* Has a plastic upper body (what snapped)
* Common failure point as they age

When it breaks:
* The oil light turns on
* Oil can leak fast
* The sensor can no longer read pressure

==== - Passenger side of engine ====
* Toward the rear (firewall side)
* Near the oil filter housing
* One electrical connector plugged into it

You’ll likely find:
* The plastic part missing
* The metal threaded stub still stuck in the block

==== - Do not start or run the engine ====
* Do not drive it Running it like this can dump oil and cause serious engine damage.

==== ### ====
* Spray penetrating oil
* Use a bolt extractor / easy-out
* Turn counter-clockwise
* Be patient — don’t force it

(A shop can do this quickly if you don’t have extractors.)

===== - Part name: Oil Pressure Sensor / Switch =====
* Engine: 3.0L V6
* Use a small amount of thread sealant (if not pre-coated)
* Snug tight — do not over-torque

===== - Plug electrical connector back in =====
* Check oil level
* Start engine
* Oil light should go off within 1–2 seconds

==== - Sensor: $15–$40 ====
* Extracting broken piece (shop): $50–$150
* Total repair usually under $200

==== - Plastic becomes brittle with heat ====
* Slight overtightening during a past repair
* Age-related failure (very common on this engine)

If you want, I can:
* Show you a diagram of the exact location
* Tell you which tool size you’ll need
* Help you decide DIY vs shop
* Find the exact part number for AutoZone / O’Reilly / Advance

Just say the word 👍