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O2 sensor problem

P 1166 h o2 s b2 s1 sensor fail.where to locate and replace

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I would google that to find out more

B2 should be bank #2 & S1 the upstream
sensor closest to the engine before the converter

I assume it has two banks as in a V6!

Posted on Jan 22, 2013

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Posted on Jan 02, 2017

  • 41 Answers

SOURCE: where is the b1 s1 o2 sensor located on my 2003

bank 1 sensor 1 il locates right infront of the catalytic converter . bank 1 sensor 2 is located in the catalytic converter

Posted on Jan 06, 2010

keemo68
  • 1263 Answers

SOURCE: O2 Sensor Location

the bank one O2 sensor is on the exaust manifold on the left side of motor. this means it's facing toward you because this is a transverse mounted engine...please rate this..thanks

Posted on Sep 06, 2008

emissionwiz
  • 74896 Answers

SOURCE: need to replace knock sensor/ O2 sensor 04 kia rio

IT IS IN THE SIDE OF THE ENGINE BLOCK, SCREWED INTO THE WATER JACKET OF THE BLOCK

Posted on Sep 18, 2009

patandjess
  • 171 Answers

SOURCE: Where are the O2 sensors located? I hace a P0131

the o2 sensors are located on the exhaust pipe running from the motor to the muffler.the wires are made onto the sensor itself.

Posted on Jan 13, 2010

MNfisherman
  • 11896 Answers

SOURCE: I have a 99 jetta (new body) while driving the car

did you replace both coolant and engine temp sensor? Thermostat? Plugged exhaust or faulty egr is another possibility

Posted on Mar 31, 2010

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P0172 and P0175 after replacement of cats and rebuilt injectors


Possible solutions include: Inspect all vacuum and PCV hoses, replace if necessary Clean the MAF sensor. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling Inspect fuel lines for cracks, leaks, or pinches Check the fuel pressure at the fuel rail Check the fuel injectors, they may be dirty. Use fuel injector cleaner or get them professionally cleaned/replaced. Check for an exhaust leak before the first oxygen sensor (this is unlikely to cause the problem, but it is possible)

Read more at: http://www.obd-codes.com/p0175
Copyright OBD-Codes.com

Sep 23, 2015 | Cars & Trucks

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What causes01 audi allroad 2.7 liter fault code p0421


this can either be a bad cat or o2 sensor its the after cat downstream driver side you can either replace the o2 sensor or buy a spacer from 034 Motorsports to get rid of this problem or get a tune alls it does is checking if the cat is there for emissions will not effect gas mileage. Owner of Audi A6 2.7T 2001.B2 S1 is drivers side pre cat

B1 = Passenger side
B2 = Drivers side
S1 = Pre cat
S2 = Post Cat Example s1:b1

Jul 14, 2014 | 2001 Audi allroad quattro

1 Answer

What would cause a p0152 code in a 2004 grand Cherokee 4.7 litre


http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?fromSearchPage=true&pageId=0996b43f802d80fd&partName=Heated+Oxygen+Sensor&partId=0996b43f802d80fdTrouble Code: P0152

O2 (B2 S1) Short to Voltage
Possible Causes:


O2 signal tracking in connector due to wet/oily conditions. O2 ground circuit is open. O2 heater supply circuit is open. O2 signal circuit is open. O2 element is damaged or it has failed. PCM has failed.Click on link to see how to replace,also you can look up part for price and picture.

Oct 14, 2012 | Cars & Trucks

1 Answer

03 300m


Here is what I get from Autozone's repair guides,sometimes it can be something mechanical,your wires running to the 02 sensors could be bad,follow them.Also check the co2 connectors,could be oily or burnt.


Trouble Code: P0152

O2 (B2 S1) Circuit Shorted to Power
Possible Causes:


O2 signal tracking in the connector due to wet/oily condition. O2 signal circuit is open, or the ground circuit open. O2 heater supply circuit is open. PCM has failed .

Aug 03, 2012 | 2003 Chrysler 300M

1 Answer

2002 Mazda MPV P0172 and P0300


-25 LFT? your dealing with a fuel injector that is leaking or not atomnizing, Inspect the fuel pressure vacuum line is fuel coming out of the pressure regulator?

Apr 28, 2012 | Lexus Cars & Trucks

1 Answer

Troubleshooting code b1 s1 and b2 s1


b1s1 and b2s1 is the location of your two upstream o2 sensors not a trouble code(dtc). although these are common to go bad both sensors on both engine banks(sides) is somewhat odd. you may have an underlying problem. you may wish to have your technician connect a scanner and check your long and short term fuel trim values to rule out any other problems. if this was helpful please leave positive rating.

Nov 30, 2010 | 2001 Lexus RX 300

1 Answer

Trying to identify the signal wire color code and location at the pcm for the 5 wire O2 sensors both front and rear. Are they on connector A, B, or C at the pcm. There are actually 2 signals coming from...


YOU HAVE TO GO ON LINE LOOK UP AUTO DATA DIY FOR A ELECTRICAL SCHEMATIC FOR THE ENGINE CONTROL SYSTEM ON A 2005 HONDA PILOT OR BUY A HAYNES REPAIR MANUAL AT ANY AUTO PARTS STORES.THE REPAIR MANUAL HAS ELECTRICAL SCHEMATIC FOR ENGINE CONTROLS.

Oct 24, 2010 | 2005 Honda Pilot

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
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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

Location of the bank 1 sensor 2 O2 sensor on a 2001 ford escape


B1 means the sensor is located on the same bank of the engine that has the #1 cylinder. B2 is located on the opposite bank.
S1 means the sensor is located BEFORE the catalytic converter
S2 means the sensor is located AFTER the catalytic converter

You didn't say which engine you have, so I've included the diagrams of both 4 cyl and 6 cyl so you can see the banks

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Oct 20, 2009 | 2001 Ford Escape

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