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Code p2a00 - 2005 Honda Civic

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P2A00 O2 bank 1 sensor 1

Posted on Mar 30, 2014


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P2a00 code

you have a 02 sensor on the exhaust under the car that usually goes shortly after the other and viseser verser. Go to the auto parts and ask if your vehicle is OBD 2 compliant. if so buy an OBD 2 and plug it into your socket usually under the drivers side between you knees. then press read. it wil tell you what codes and the results and you also have the option to erase the codes and turn out your check engine soon light. Replacing a sensor will turn off the light but it can take weeks for the computer to reset itself that`s why the machanic uses the OBD 2 to check to see what sensors are tripped and reset them. Try the reset before buying another sensor. this should work.

Mar 26, 2014 | 2006 Buick Lucerne

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I have a 2006 Buick Lucerne 4.6L V8 with 80.0K I am receiving a fault of P2A00 I have replaced the upstream 02 sensor with a Bosch where else should I look?

check all air intake pipe work espescially rocker cover breather for any splits or cracking.If the air going into cylinder isnt correct then you will get a fault reading with the exhaust sensors as air/fuel mixture wont be correct before ign in cylinder

Mar 26, 2014 | 2006 Buick Lucerne

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I got error code P2A00 and now the engine does not start

That is a Service Engine error code. In may vehicles there is a reset switch to flip to the other side usually resets the error code for another 50,000 miles. Though I do not know where the reset switch is, I bet that this is the problem and a rather simple one too. Most switches are under the drivers side dash and are very tiny. if you locate it, just push it to the other side, just like a light switch.

Sep 06, 2013 | 2000 Nissan Maxima

1 Answer

2005 range rover

DTC P2A00: Oxygen Sensor Circuit Range/ Performance (Bank 1, Sensor 1)
Probable cause:
  1. Sensor or solenoid faulty
  2. Connector terminal contact damaged/corroded
  3. Wire harness fault. Check for correct voltage, open, short to ground or short to voltage
  4. Control unit software needs to be updated
  5. PCM or ECM faulty
  6. HO2S sensor contaminated/damaged

May 18, 2017 | 2005 Land Rover Range Rover

1 Answer

Code P2A00 what does this mean. service engine comes on & off it seems to come on more offen the hoter it is outside. put 2 performance chips in car 1st chip is on MAF sensor it tells the system the...

The code indicates a problem with Air/Fuel mixture, and it is very possible with the "chips" you installed, the A/F ratio the ECM sees is out of tolerance. As far as inspections is concerned, you may need to remove the chips and reset the ECM before you go for inspection.

Sep 23, 2010 | 2006 Nissan Altima

1 Answer

Check engine light obd II code P2A00. Where is the oxy sensor located.

there are two sensors one before the catalyst and one after,follow thw exhaust system from the side of the head and the first sensor you meet is sensor one which relate's to your fault

Apr 16, 2010 | 2007 Dodge Ram Truck

1 Answer

2007 nissan versa trouble code P2A00,what is this?

i doubt if you are reading the correct code because this vehicle uses encrypted software so its a dealer only job .

Mar 28, 2010 | 2007 Nissan Versa 1.8 Sl Hatchback

2 Answers

Check engine light

Sometimes can be prematurely dirty air filter, sets off the air flow sensor, which sets off the o2 sensor. So might try new air filter first and erase codes and then see, before you spend more bucks than you need; then if codes return, do the flow mix sensor.

Apr 19, 2009 | 2006 Honda Civic Hybrid

1 Answer



The PA200 code is for a front A/F sensor, not an O2 sensor. This is a fairly accurate code and I am 99.99% sure that if you simply clear the code, it will come back. Is the car out of warranty?

The tire light will not go out on its own if the tire went really low. There are two codes the low tire pressure warning system can set and they are low tire and flat tire. The low tire code will go away once the pressure is corrected, the flat tire code has to be cleared with the computer at the dealership.

Jan 10, 2009 | 2007 Nissan Versa 1.8 Sl Hatchback

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