Question about 1999 Lexus LX470

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O2 sensor heater cicuit malfunction - 1999 Lexus LX470

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Most times when you get this diagnosis the best way to resolve it is to replace the o2 sensor, because it is faulty. Many of your newer cars have more than one so knowing which one is helpful.... anytime you see bank 1 it means in front of the catalytic converter, if you see bank 2 then it means it is behind the catalytic converter, basically bank 1 sensor 1 is going to be closest to the header/manifold. bank 2 sensor 2 will be back towards the muffler/tailpipe

Posted on Oct 12, 2013

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Posted on Jan 02, 2017

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Hi i have a 2002 ford ranger and it has teas codes P0446 P0135 P0141 P2195 P0403 P0171


P0446: EVAP System Vent Control Circuit http://www.autocodes.com/p0446_ford.html

P0135: O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
P0135 Ford O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1

P0141: O2 Heater Circuit Bank 1 Sensor 2
P0141 Ford O2 Heater Circuit Bank 1 Sensor 2

P2195: Oxygen Sensor Signal Biased/Stuck Lean - Bank 1 Sensor 1
http://www.autocodes.com/p2195_ford.html

P0403:Exhaust Gas Recirculation Control Circuit http://www.autocodes.com/p0403_ford.html

P0171: Fuel Injection System Too Lean Bank 1 http://www.autocodes.com/p0171_ford.html

Nov 15, 2016 | 2002 Ford Ranger

4 Answers

What does code p0155 mean


P0155 = 2/1 O2 Sensor Heater Failure, Oxygen sensor heater element malfunction. logic dictates that you replace your O2 Sensor. DIY car obd2 code scanner online shopping

Jun 05, 2014 | 2004 Chevrolet Avalanche

3 Answers

2002 dodge caravan engine light on code showing p0135 .please advice.thanks.


  • O2 Sensor Heater Circuit Malfunction - Bank 1 - Sensor 1
  • Basically the ECM Electronic Control Unit has determined your O2 sensor is taking to long to begin reacting properly.
  • The causes could be
  1. O2 heater element resistance could be to high.
  2. An internal short or opening in the heater element.
  3. O2 heater circuit wiring with high resistance.
  4. Open or short to ground in the wiring harness.

  • The fixes are
  1. Check the harness and connector to the O2 sensor for shorts or ground.
  2. Replace that O2 sensor.

  • Bank 1 sensor 1 location for this vehicle is located on the exhaust manifold back by the firewall on top of the manifold..
  • Thank you for using FixYa


Regards, Tony

Jun 19, 2011 | 2002 Dodge Grand Caravan

1 Answer

Engine light on--when do scan shows code P0135


P0135=O2 sensor heater circuit malfunction (bank 1, sensor 1)

O2 sensors have built in heaters to help them warm up faster. The O2 sensor in the No.1 bank of cylinders may have an inoperative heater or the wiring to the heater element is damaged. Changing that O2 sensor may correct your problem.

Feb 03, 2011 | 2006 Honda Element

2 Answers

Check enegine light stay s on all the time, here are the codes im getting, if someone could tell me how to fix these that would be great. p0155 p0141 p0136 p0443 p1451 p0135 p0161 p1409


P0155: O2 Sensor heater Circuit Malfunction (bank2 ) Sensor 1.

P0141: O2 Sensor heater Circuit Malfunction (bank1 ) Sensor 2.

P0135: O2 Sensor heater Circuit Malfunction (bank1,Sensor1)

P0136: O2 Sensor Circuit Low voltage (bank1) Sensor 2.

P0443 : Evaporative Emission control System Purge control valve.

P1451: Eavporative Control System Canister vent solenoid Circuit Malfunction.

P0161: O2 Sensor Circuit Low voltage (bank2,Sensor2)

P1409: Electronic Vacuum Regulator (EVR) control circuit malfunction.

change the O2 sensors first,Then check the the EGR Vacuum regulator for any Malfunction. Good luck

Jan 14, 2011 | Ford Mustang Cars & Trucks

2 Answers

P0700 p0133 p0137 p0131 p0171 p1781


From what I can find in my book - they are (generic code)
P 0700 Transmission Control System Malfunction
P 0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P 0137 O2 Sensor Cicuit Low Voltage (Bank 1 Sensor 2)
P 0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor)
P 0171 System Too Lean (Bank 1)
Could not find these codes in the GM section - that is why I went with the Generic codes

Dec 11, 2010 | 2004 Chevrolet Aveo

1 Answer

P134, p0141, po300, po130 and po135. 2005 Sunfire.


Given that most of the trouble codes are for the O2 sensor, I think I would change it. The multiple misfires could be because of improper fuel/air mixture caused by a bad sensor. Disconnect the negative(-) battery terminal then change the sensor. Disconnecting the negative(-) should reset the computer and allow the fuel/air mixture to return to default allowing the engine to start.
P0130 - O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
P0134 - O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
P0135 - O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0141 - O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0300 - Random/Multiple Cylinder Misfire Detected

Jun 16, 2010 | 2005 Pontiac Sunfire

1 Answer

Hyundai sonata o2 heater cicuit bank 1 sensor 2


where is the O2 sensor bank 1 located in Hyundai sonata 2000

May 29, 2010 | 1999 Hyundai Sonata

1 Answer

More 99 cougar problems


there is a fuse for the o2 heaters if one of the sensors blew the fuse they will all be out

Feb 14, 2009 | 1999 Mercury Cougar

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