Question about 2005 Ford Escape

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P2270 this is the code i get. it is a 3.0 v6. all wires and exhaust look good. there are three sensor. where is the bad sensor?

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  • Ford Master
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The P2270 is a fairly straight forward code pointing to a fault in the downstream heated oxygen sensor (B1S2). Basically, it's not switching in the alotted time that on-board computer needs to see. Carefully inspect the wire harness and electrical connector for any loose, broken, pinched or rubbed through wires. Make sure there are no current exhaust leaks in the system. If the visual inspection checks ok, replacing the sensor should solve the problem.Bank 1 is on the passenger side and sensor 2 is by the cataytic convertor.

Posted on Jul 14, 2013

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Codes P2270& P2272 after oil change check engine light on drove under 100 miles both O2 sensors bad .Could shop have caused this somehow??? Maybe banging them or something ?


make sure they are plugged in tight Definition of Diagnostic Trouble Code P2270 Category: Powertrain Definition: O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2Note: This definition of P2270 is applied to all manufacturers

P2270 - O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2 Comments ' Add Yours
Possible causes
- Faulty Rear Heated Oxygen Sensor Bank 1
- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Exhaust gas leaks Help with this
When is the code detected?
The Powertrain Control Module (PCM) detected the HO2S12 sensor has reported a lean condition for an extended period during an intrusive test
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- High Fuel Consumption
- Excessive Smoke from Exhaust
P2270 Description
The Powertrain Control Module (PCM) supplies a voltage of about 450 mV between the HO2S high and low signal circuits. The oxygen sensor varies the voltage over a range from about 1,000 mV when the exhaust is rich, down through about 10 mV when the exhaust is lean.
The PCM monitors and stores the heated oxygen sensor (HO2S) voltage information. The PCMevaluates the HO2S voltage samples in order to determine the amount of time the HO2S voltage was out of range. The PCM compares the stored HO2S voltage samples taken within each sample period and determines if majority of the samples are out of the operating range.

Definition of Diagnostic Trouble Code P2272 Category: Powertrain Definition: O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 2Note: This definition of P2272 is applied to all manufacturers

P2272 - O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 2
' Add Comment
Possible causes
- Faulty Rear Heated Oxygen Sensor Bank 2
- Rear Heated Oxygen Sensor Bank 2 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection
- Exhaust gas leaks
What does this mean?
When is the code detected?
The Powertrain Control Module (PCM) detected the HO2S22 sensor has reported a lean condition for an extended period during an intrusive test
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- High Fuel Consumption
- Excessive Smoke from Exhaust
P2272 Description
The Powertrain Control Module (PCM) supplies a voltage of about 450 mV between the HO2S high and low signal circuits. The oxygen sensor varies the voltage over a range from about 1,000 mV when the exhaust is rich, down through about 10 mV when the exhaust is lean.
The PCM monitors and stores the heated oxygen sensor (HO2S) voltage information. The PCMevaluates the HO2S voltage samples in order to determine the amount of time the HO2S voltage was out of range. The PCM compares the stored HO2S voltage samples taken within each sample period and determines if majority of the samples are out of the operating range.
P2272 Information for specific makes
P2272 BMW
P2272 DODGE
P2272 FORD

Jul 30, 2015 | Cars & Trucks

1 Answer

Check engine light is on autozone gave P2270 after checking it? What does this mean?


This P2270 trouble code refers to the post-catalytic converter O2 (oxygen) sensor on bank #1, sensor #2.

Check this site:
P2270 O2 Sensor Signal Stuck Lean B1S2

P2270 O2 Sensor Signal Stuck Lean B1S2

Feb 28, 2015 | Cars & Trucks

1 Answer

What to the codes P2270 mean on my Cadillac


It's the O2 sensor attached to your exhaust pipe behind the catalytic convertor that has detected your exhaust is too lean. It could mean any of a variety of issues from simply the sensor is faulty, to the sensor being loose fitting, to a leak in the exhaust before the sensor, to a bad fuel injector ---- essentially, anything that can reduce the amount of fuel emission that "should" be present.

Nov 02, 2013 | 2008 Cadillac Escalade

1 Answer

Honda odyssey 2007 check engine light on with engine code p2270. What does it tell me?


Code 2270 is model specific, the O2 sensor for bank one sensor two is stuck on lean. Sometimes the sensor has failed, and sometimes it is an exhaust or fuel problem.
The sensor would need to be checked.

May 27, 2013 | Cars & Trucks

1 Answer

2002 Subaru Forester P0136 see P2270 P2271 intermittent idling fluctuation and acceleration hesitation


Is the wiring good going to the O2 sensors? Maybe just look the car over and see if you have any bad grounds. They can do weird things. Could be a bad ICU.

Jan 22, 2012 | 2002 Subaru Forester

1 Answer

Reader show me a code P2270 im trying to find out what that for


P2270 - 02 Bank 1 Sensor 2 signal stuck lean

Switch Sensor indicates lean, this is on the passenger side after the Cat, you will need another sensor. It could be a bad sensor, bad wire connection, I would have replaced all, I know it would have been 200 dollars but now it only 150 to do the remaining three and still cheaper then going to the dealer plus you get four new sensors.

Hope this helps.

Jul 11, 2011 | 2004 Ford Freestar

1 Answer

P2270


P2270 - 02 Bank 1 Sensor 2 signal stuck lean

Switch Sensor indicates lean, this is on the passenger side after the Cat, you will need another sensor. It could be a bad sensor, bad wire connection, I would have replaced all, I know it would have been 200 dollars but now it only 150 to do the remaining three and still cheaper then going to the dealer plus you get four new sensors.

Hope this helps.

Jul 11, 2011 | Ford Freestar Cars & Trucks

1 Answer

2006 hundai elantra P2270 code. If this is an O2 sensor, which one?


Possible O2 sensors:

P2270 O2 Sensor Signal Stuck Lean Bank 1 Sensor 2
P2271 O2 Sensor Signal Stuck Rich Bank 1 Sensor 2
P2272 O2 Sensor Signal Stuck Lean Bank 2 Sensor 2
P2273 O2 Sensor Signal Stuck Rich Bank 2 Sensor 2
P2274 O2 Sensor Signal Stuck Lean Bank 1 Sensor 3
P2275 O2 Sensor Signal Stuck Rich Bank 1 Sensor 3
P2276 O2 Sensor Signal Stuck Lean Bank 2 Sensor 3
P2277 O2 Sensor Signal Stuck Rich Bank 2 Sensor 3
P2278 O2 Sensor Signals Swapped Bank 1 Sensor 3 / Bank 2 Sensor 3
---
This is Bank 1 (closer to the dash panel) Sensor 2 (located after the catalytic converter).

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Note: A malfunctioning front oxygen sensor may cause fuel trim codes to set.
  1. Several Diagnostic Trouble Codes use specific terminology to refer to sensor location. The illustration and key below explain the following terms:
  2. Engine BANK Bank 1 is closer to the dash panel, (also referred to as RH or right hand). Bank 2 is closer to the radiator, (also referred to as LH or left hand).
  3. UP Refers to Sensor 1 or "front sensor". It is located closer to the exhaust manifold and before the catalytic converter.
  4. DOWN Refers to Sensor 2 or "rear sensor." It is located after the catalytic converter.
  5. The following examples show how to interpret oxygen sensor terminology:
  6. B1/S1 = Bank 1/Sensor 1 = Dash panel side, BEFORE the catalyst or "upstream"
  7. B2/S2 = Bank 2/Sensor 2 = Radiator side, AFTER the catalyst or "downstream"

Aug 06, 2010 | Hyundai Elantra Cars & Trucks

1 Answer

2005 Ford Ranger exhibiting code P2270


According to my book, it looks like a bad O2 sensor, the sensor behind the catalytic converter on the passenger side exhaust.

Bank 1, Sensor 2.

You can pick one up at the parts store for around $75.

Dec 17, 2009 | 2005 Ford Ranger

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