Oxygen sensor location and replacement instructions please?

Tiny
PHISHY714
  • MEMBER
  • 2012 FORD EDGE
  • 2.0L
  • 4 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 116,000 MILES
Got a P0131 error code recently for a bad O2 sensor in the bank 1 sensor 1 location. I've seen lots of videos of locations for the V6 3.5L engine, but I can't find anything on the location for a V4 2.0L Ecoboost engine on a 2012 Edge. Anyone have a drawing or video that might show where this thing is? Thanks!
Do you
have the same problem?
Yes
No
Wednesday, November 6th, 2019 AT 5:15 AM

21 Replies

Tiny
KASEKENNY
  • EXPERT
Attached is the location of the 1 1 HO2S. Let me know if you have more questions. Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.
Was this
answer
helpful?
Yes
No
+1
Wednesday, November 6th, 2019 AT 3:49 PM
Tiny
PHISHY714
  • MEMBER
Awesome thank you! Can you show me where the front of the car would be on this drawing? If like to orient myself when trying to find this thing. Thanks!
Was this
answer
helpful?
Yes
No
Thursday, November 7th, 2019 AT 3:35 AM
Tiny
KASEKENNY
  • EXPERT
Look in the lower right corner of the attachments. It gives an arrow for the front of the vehicle. I circled it and reattached it.
Was this
answer
helpful?
Yes
No
Thursday, November 7th, 2019 AT 7:48 PM
Tiny
JENNA SMITH
  • MEMBER
  • 2011 FORD EDGE
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
Replacing all four o2 sensors but not sure of their locations for our specific model. Any suggestions?
Was this
answer
helpful?
Yes
No
+1
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
ASEMASTER6371
  • EXPERT
Good morning.

Why are you replacing all the sensors? Rarely do all fail at once.

What is your specific issue that makes you think they are all bad?

I have pictures of the upstream. The down streams are under the car by the catalytic converters.

Roy

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

https://www.2carpros.com/articles/how-an-oxygen-sensor-works
Was this
answer
helpful?
Yes
No
+1
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
JENNA SMITH
  • MEMBER
Two of the four are showing as needing replaced. We are going on a very long trip in December and my husband figured replacing them all would not be a bad thing.
Was this
answer
helpful?
Yes
No
-1
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
ASEMASTER6371
  • EXPERT
It is highly unlikely that they show they are bad.

Can you give me the codes that he had so I can help confirm this before you spend all this money?

Roy
Was this
answer
helpful?
Yes
No
+1
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
JENNA SMITH
  • MEMBER
Here is what they said. We can totally send back the sensors that we do not need if you think we should not waste the time or money on the others.
Was this
answer
helpful?
Yes
No
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
ASEMASTER6371
  • EXPERT
There are checks to be done as the sensors may be working but seeing bad information.

Below are the possibilities for all the codes. All these items need to be checked to be sure of the reason for the codes.

The odds of having four sensors fail at the same time is like you getting hit by lightning two times in one day.

Roy

P2196
Descriptor
O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1
Probable Causes
Air Leaks After Mass Air Flow (MAF) Sensor
Camshaft Timing
Corrosion
Cylinder Compression Incorrect
Diaphragm or Exhaust Gas Recirculation (EGR) Vacuum Regulator Leaking
Engine Oil Dipstick Seated Incorrectly
Evaporative Emissions (EVAP) System Purge Valve Stuck Open
Exhaust Gas Recirculation (EGR) Valve Malfunction
Exhaust Leaks Before or Near Heated Oxygen Sensor (HO2S)
Gasket Leaking
Harness Connections Incorrect
Harness or Heated Oxygen Sensor (HO2S) Short to Voltage
Heated Oxygen Sensor (HO2S)
Heated Oxygen Sensor (HO2S) Circuit Open
Oil Overfull
Positive Crankcase Ventilation (PCV) System Leaking or Valve Stuck Open
Powertrain Control Module (PCM) Damaged
Universal Oxygen Sensor Pumping Current (UO2SPC) Circuit Open
Vacuum Leak
Water in Harness Connector
Was this
answer
helpful?
Yes
No
+2
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
JENNA SMITH
  • MEMBER
This actually popped up tonight.
Was this
answer
helpful?
Yes
No
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
ALLANDOW
  • MEMBER
  • 2010 FORD EDGE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Bank 2 sensor 1 location any help would be great.
Was this
answer
helpful?
Yes
No
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
ASEMASTER6371
  • EXPERT
Here is a guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

It is the one when you open the hood and it is right at the top on the exhaust manifold. I attached a couple of pictures for you to view. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
Was this
answer
helpful?
Yes
No
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
ASEMASTER6371
  • EXPERT
That code is for the stability control and has no connection to your current issue.

We can address that but you need to start a new question for that.

Roy
Was this
answer
helpful?
Yes
No
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
SC_DAVIS
  • MEMBER
  • 2008 FORD EDGE
  • 60,000 MILES
I'm getting a P2272 code saying that the bank 2 sensor 2 is stuck in a lean condition. Where is this sensor located? Is it the sensor that is bad or could it be another problem causing this code? What are the steps to trouble shoot the problem?
Was this
answer
helpful?
Yes
No
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
RACEFAN966
  • EXPERT
Yes that tells me the O2 sensor is bad, so bank 2 sensor 2, it is on the drivers side behind the cat screwed into the exhaust pipe. Should be able to buy it at your local parts store.
Was this
answer
helpful?
Yes
No
+2
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
SC_DAVIS
  • MEMBER
When you say driver's side, is that the side next to the firewall or the side at the front of the engine compartment?
Was this
answer
helpful?
Yes
No
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
RACEFAN966
  • EXPERT
If you are looking at the front of the engine (where the drive belt is) then it will be on your right. Hope that helps let me know how it all goes ok. After replacing the sensor you will have to clear the code for the engine light to go off ok.
Was this
answer
helpful?
Yes
No
+2
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
SC_DAVIS
  • MEMBER
But the Edge has a transverse mounted engine and the oxygen sensors are located in front of the engine (radiator side) or behind the engine (firewall side)?
Was this
answer
helpful?
Yes
No
+2
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
RACEFAN966
  • EXPERT
I understand that that is why I said it you are looking at the engine the front is the side where the drive (fan) belt is it will be on your right side, if I remember correctly that should be the front (radiator side) it will the one behind the cat converter.
Was this
answer
helpful?
Yes
No
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)
Tiny
GMAN97005
  • MEMBER
Okay, on front wheel drive engine you would stand at the right front fender looking down at the engine, the left bank is between the engine and the firewall while the right bank is between the engine and core support, same with the fuel injectors left and right bank.
So bank 2 sensor 2 is located between the engine and core support, the sensor in question is after the oxidizing converter.
Your vehicle uses OBD II and utilizes 2 catalytic converters and 2 oxygen sensors on each bank of cylinders with the front converter being the pre-cat which does the majority of scrubbing, the second cat is the oxidizing converter which further reduces harmful emissions by injecting air into the catalyst, this what they call a 3-way converter with AIR or 3-way w/AIR, AIR stands for Air Injection Reactor.
The ECM is setting a lean-condition code for bank 2 sensor 2 so we need to find out why it is setting the lean code, right?
Lean by definition means less air being mixed with the fuel but if this was the case the 1st O2 sensor or sensor 1 would have detected the lean condition and adjusted the mixture for that bank of cylinders but it didn't so the problem is further down the line.
Since it is after the pre-cat we can eliminate that and move a little further down the oxidizing cat which has an air-tube connected to it because ii is 3-way with/AIR, so my guess would be an exhaust leak after the pre-cat but before the oxidizing cat, start there and work your way up the air tube to the diverter valve and then across to the back of both exhaust manifolds looking for rust or something else that could be allowing air to leak into or out of that pipe.
As a final thought the problem could be as simple as replacing the O2 sensor but I want to break you of that habit and stop throwing money at it hoping you hit the jackpot. Buy a $25 multimeter with 10 meg ohm input and simply diagnose the O2 sensor, set the multimeter to 1V DC and measure the voltage being produced by the O2 sensor, the voltage from the O2 sensor ranges from 0 to 1 volt and I am not sure if the voltage should remain constant at 450 millivolts or fluctuate between 450 - 950 millivolts.

Best Wishes, gman
Was this
answer
helpful?
Yes
No
+1
Wednesday, April 14th, 2021 AT 12:08 PM (Merged)

Please login or register to post a reply.

Sponsored links