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Anonymous Posted on Jan 12, 2014

How to replace air/fuel ratio snsor bank1 on a 2006 Lexus IS250 code P0031

5 Related Answers

Anonymous

  • 79 Answers
  • Posted on May 23, 2009

SOURCE: 2006 lexus Is250 or a 2007 benz c230?

In the Edmunds Mercedes Benz C Class is a group which gives you discussions of what are the pros and cons of a Mercedes. I would research this website to give you a better price comparison of a mercedes to a lexus. A classic problem with Mercedes is the electrical problems they have had through the years, and if you do not want to spend a lot on electrical problems I would wayered towards the lexus. Lexus however has an average of 130 defects per 100 cars and the interior of these cars can be somewhat small. Repair costs for lexus are kind of expensive too.

The Merceds c230 goes for rougly $30,000 dollars. It gets 29 mpg on the highway and 21 mpg city. It has 2.5 V6 with 201 horsepower. Driver and Passenger crash ratings wore rated both 4 out of 5 and that is not bad at all. It comes with a 6 speed transmission is a manumatic so you can either up or downshift for a better drive or leave it in automatic for city. There is also 17 inch wheels which are standard. It has dual climate air and heat and 10 way seat adjustments for a very comfortable ride for driver and passenger. The build quality is also exceptional.

The lexus averages for around 23,000 to 27,000 dollars so it is a few thousand short of the bmw. It also has a 2.5 litre V6 with 204 horsepower so a little bit more hp than the bmw but only by 3 hp. It has an electric start and also good crash ratings. The braking and accleration are also reported to be real well. There is no manual with the larger motors and the backseat does not fold however. City gas mileage is 20 to 24 mpg. The highway is 28 to 30 mpg. Consumer car ratings are very high 4 and 5's and that's out of a 5 point scale so this car got high reviews in all departments. The BMW was said to be underpowered in accleartion however. It got a JD power rating of 5 on the mechancial side and that is the best rating and JD is a renouned auto reviewer so this is really good. The keyless start of the lexus make take some getting use to.

In my opinion it a toss up between german engineering and a home based American dealership. I've always liked the styling of BMW and they are autobauhn tested suspensions make them very aggressive in driving through corners and a very fun car to drive. However, the BMW is priced more and is said to be underpowered. The Lexus is cheaper and has enough power for any consumer. My best bet for you would be the Lexus. I hope this fixes your dilema and always have fun with the car you purchase!

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Anonymous

  • 81 Answers
  • Posted on Oct 08, 2009

SOURCE: lexus 2006 IS250 awd is having problem with the

it has electric power steering, take it to the dealer and ask if the service campaign has been done on the power steering rack. if not then it will be free and they will wash your car for you, fill up your gas tank and replace the steering rack and align the car. if it has been done then maybe they didnt reset the steering gear ecu.

Anonymous

  • 185 Answers
  • Posted on Oct 10, 2009

SOURCE: location of air filter cabin 2007 lexus is250

it is located behind the glove box. the glove box has a compartment separator inside of it. you must pull up and out to remove it. the back of the glove box has a removable panel. remove it. the filter tray will have a cover over it with two snap clips or the fresh air circulator on the dash will have to be set to recirculate to open the cover for the filter.

dj_relly999

dj_relly999

  • 4070 Answers
  • Posted on Oct 12, 2010

SOURCE: I replaced the battery in my 2006 Lexus IS250.

Hi! THe power switch on the driver's control may be activated. Try pressing the ON and OFF button of the power window. This may have jammed somehow. HOpe this helps and thank you for using FixYa!

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Anonymous

  • Posted on Feb 23, 2011

SOURCE: CODES P0031 AND P0051 A/F

You will need wiring diagrams, to find components
and diagnose the problem

You have 2 O2 Sensor Codes-- for Heater issues

I would look for an O2 Relay, for the heaters, once
you have a diagram to work with

Battery voltage will be to the heaters only

Don't put your meter on the black sensor
wire, you may ruin the sensor, by loading the circuit

Just work the 2 white heater wires on chassis
side, for the 12 v

Unplug the O2 Sensors, and probe the harness heater
wires only, until you get your 12v back

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2008 Repair manual Lexus IS250

Lexus IS250 repair manuals are available at the click of a mouse! Chilton's Lexus IS250 online manuals provide information for your car's diagnostics, do-it-yourself repairs, and general maintenance.
Chilton's Lexus IS250 repair manuals include diagrams, photos, and instructions you need to assist you in do-it-yourself IS250 repairs. ChiltonDIY online IS250 repair manuals cover automotive service and repairs, from diagnostic trouble codes and probable causes, electronic engine controls, and maintenance schedules, to brake and suspension issues, wiring diagrams and engine repairs, tune-up procedures, specifications, clutch and gearbox diagrams, and more.
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I have a 2000 Lexus rx300 with a code p1130. what is the location of the sensor causing this code ?

That code doesn't mean any sensor is defective, it can be the sensor, problems with the engine or a faulty fuel injector or the wiring or the engine control computer that triggered the fault.



P1130 Lexus Air Fuel Ratio Sensor Circuit Range Performance Malfunction...
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How fixed p 1148 nissan armada 2008

It may be a faulty oxygen sensor.
For Models 2005 and up:
- Faulty Air Fuel Ratio Sensor 1 Bank 1
- Air Fuel Ratio Sensor 1 Bank 1 circuit is open or shorted
- Air Fuel Ratio Sensor 1 Bank 1 circuit electrical connection

Before you rush off to buy replacement parts it's worth giving a mobile mechanic a call. Those guys are usually very good and far cheaper than a dealership. And a second opinion is worth paying for.
P1148 and P0031 Problem
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2003 lexus es 300 p0031.changed o2 bank sensor #1 and the same code shows up

How many air fuel ratio sensor and oxygen sensors does a 2003 Lexus ES300 have and can I have a diagram of each sensor and where each sensor goes thank you
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2003 Lexus GS300 P0031 code

Yes the O2 sensor preheater problem will turn on the VSC light, see the complaint often, why? don't know
.P0031 TOYOTA - Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 1
In most cases the O2 being replaced cures the code but here is the full story.
Possible causes- Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit open shorted to ground
- Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection
- Faulty Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit
- Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit fuse
- Faulty Engine Control Module (ECM)
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My 1999 Lexus Es300 shows VSC OFF display for a day or two and then disappears. The problem is intermittent. Sometimes the "Check Engine Light" also comes on. The state emission test showed an...

P1133 LEXUS - Air/Fuel Ratio Sensor Circuit Response Malfunction Bank 1 Sensor 1 Possible causes Faulty Air/Fuel Ratio Sensor Bank 1 Sensor 1 Air/Fuel Ratio Sensor Bank 1 Sensor 1 harness is open or shorted Air/Fuel Ratio Sensor Bank 1 Sensor 1 circuit poor electrical conection Check exaust integrity
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The car doesn't have power when hit the gas pedal speed pick up really slow also have code of 171 sistem too lean on bank one,lexus 2000 rx 300

this code sets when air fuel ratio feedback is stable after engine warm up,and fuel trim is considerably in error on lean side;The signal from air fuel ratio sensor is approximatelyproportional to existing air-fuel ratio.

for this code suspect excessive lean condition,normal rangefor total trim is between -35% to +35%,DTC uses "two-trip detection Logic".

Check system for intake leaks,incorrect fuel pressure,plugged fuel injectors,O2 sensor or coolant sensor operation.

check air-fuel ratio sensors
to do it you need to check them with a good scanner tool.

also,check MAF sensor operation.

personally i would clean with the special spray for MAF sensor (you can get it from you autoparts store) and try a fuel injector cleaner before start spending money in shops.

hope this info can help you.
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1answer

05 COROLLA P0031

What does that mean? A P0031 DTC (diagnostic trouble code) refers to the O2 sensor (oxygen sensor) located on Bank 1 in front of the catalytic converter. There is also an oxygen sensor behind the converter which is Sensor #2.
This O2 sensor #1 may also be refered to as an air/fuel ratio sensor since on some vehicles it is. It detects the amount of oxygen in the exhaust gas compared to the outside air and then vehicle's computer adjusts the air/fuel ratio going into the engine. The sensor is less effective when the exhaust gas temperature is low, so it includes a heater which is activated to help get better readings from the A/F O2 sensor. Essentially this P0031 code means that the resistance of the heater circuit is lower than normal. In most cases, that resistance level must fall below 0.8 A to trigger the DTC code.
Note, this code is very similar in nature to P0032, P0051, and P0052

Potential Symptoms Most likely you'll not notice any symptoms other than the MIL (malfunction indicator lamp, a.k.a. the check engine light) will illuminate.
Causes A P0031 DTC trouble code may be caused by one or more of the following:
  • A short or open in the heater circuit in the sensor
  • A failed O2 sensor heater
  • Wiring/connectors broken/frayed leading to sensor and/or relay
  • Failed PCM/ECM
Possible Solutions Need an O2 Sensor? Visit our O2 Sensor shopping area for the lowest price on your replacement sensor!
To fix a P0031 DTC code, you'll need to do a proper diagnosis. To do that, you'll want to inspect the wiring and connectors leading to the sensor. Also if equipped with a heater relay and fuse, you'll want to check those as well. Use a digital volt ohm meter to:
  • check for 12 volts at the heater circuit feed (hint: unplug the sensor and check at the wiring connector to do this measurement)
  • check the ground circuit for continuity
  • measure the resistance of the heater circuit (done on the sensor itself)
  • measure the resistance and voltage of the wiring
Refer to a service manual for the correct specifications (volts, ohms) for your vehicle. On some Toyota vehicles this code is triggered when the resistance of the heater circuit is below 0.8 A.
With that said, a common fix for this DTC is to replace the air/fuel (O2 oxygen) sensor #1 on bank 1.
Please keep in mind that OEM (original equipment) replacement sensors are recommended (from the dealer). Aftermarket sensors can be less reliable and of poorer quality (not always, but more often). There's also a chance that replacement parts for the P0031 code may also fall under a federal emissions warranty (check with your dealer to see if it's covered).

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