Question about 2001 Isuzu Rodeo

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Check engine light come on fault codes PO165 and PO155

Faults are oxygen sensor 3 in bank 2 (PO165) and PO155 is a malfunction in heater circuit for oxygen sensor 1 in bank 2. do both oxygen sensors need to be replaced

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  • Anonymous Mar 17, 2014

    Hyundai Tucson replaced oxygen sensor check engine light keeps coming on after reset

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Yes sorry but they both should be replaced. 

Posted on Dec 26, 2008

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I've replaced both oxygen sensors on a 2001 ford focus n erased codes po135 n po141 n the engine light turned off after I started the car the second time check engine light lit up again n has the same...


The p0141 and p0135 codes both indicate that the O2 sensor heater circuit isn't working. If you've replaced the sensor and you're still getting these codes, there is probably a fault in the wiring or more likely a blown fuse. Refer to your owners manual for the fuse location.

Here is what EngineCodes.com says about P0135:

The code means that there is a problem with the heater element circuit of the heated oxygen sensor. The control module monitors how long it take the sensor to warm up and start sending an adequate signal. The code is triggered when the sensor is taking too long to warm up. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors. If the sensor and connector are OK, replacing the O2 Sensor 1 usually takes care of the problem
http://engine-codes.com/p0135_ford.html#ixzz3RaTKiuBn

Feb 13, 2015 | Ford Cars & Trucks

1 Answer

Codes p0054 p0141 p0036


code p0054 is
Possible causes - Faulty Heated Oxygen Sensor Bank 1 Sensor 2
- Heated Oxygen Sensor Bank 1 Sensor 2 harness is open or shorted
- Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection
When is the code detected?Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit Symptoms- Engine Light ON (or Service Engine Soon Warning Light)
code p0141 is O2sensor heater circuit malfunction( bank one sensor 2)
there is chance that wire from that sensor is touching,part of your exhaust system,and either is open or shorting to ground

code p0036
036 - HO2S Heater Control Circuit Bank 1 sensor 2check the wire from the sensor for the sign cut or melting,and change the sensor

Apr 18, 2013 | 2006 Chevrolet Suburban 1500

1 Answer

Car drags upon slow down and **** upon movement


CODE PO161 IS REGARDING OXYGEN SENSOR BANK2 SENSOR2 WHICH IT IS LOCATED IN THE BOTTOM RIGHT SIDE OF THE CAT ON THE OUTPUT OF THE CAT.REGARDING CODE P1135 IS FOR AIR FUEL RATIO OXYGEN SENSOR MALFUNCTION BANK1 SENSOR 1. MY OPINION CHANGE THE SENSOR BANK 2 AND RESET THE FAULT USING A SCANNER AND DRIVE IT. I BELIEVE WILL SOLVE THE PROBLEM.

Aug 31, 2012 | 2002 Toyota RAV4

1 Answer

Why the codes po125 & po135 &po155 keep coming back?


Hi there:

DTC P0125 - Insufficient Coolant Temperature For Closed Loop Fuel Control

The simplest thing to do is to reset the code and see if it comes back.
If the code comes back, the problem is likely going to be the result of the above causes (faulty thermostat, faulty ECT sensor, or a low coolant level).


DTC P0135 - Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
or
DTC P0155 - 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

A code P0135 and P0155 may mean that one or more of the following has happened:

  • O2 Heater element resistance is high
  • Internal short or open in the heater element
  • O2 heater circuit wiring high resistance
  • open or short to ground in the wiring harness

In order to solve just...
  • Repair short or open or high resistance in wiring harness or harness connectors
  • Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)


  • Hopoe this helps.

    Aug 28, 2012 | 1999 Toyota Sienna

    1 Answer

    Air sensor check engine light


    Ok as a guess that you have a SUV and you have different air faults. if you are a DYI'er go to an auto parts store and get an error code tool. Harbor freight for $30-50. Hook it to the car and find out which sensor is it calling for. Note, you can reset the check engine light on most tools that are not the cheapest.
    P1130
    Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 1 Sensor 1)

    P1133
    Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 1 Sensor 1)

    P1135
    Air/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

    P1150
    Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 2 Sensor 1)

    P1153
    Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 2 Sensor 1)

    P1155
    Air/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

    Nov 26, 2011 | Lexus RX 300 Cars & Trucks

    1 Answer

    Code P0141 and P0155


    PO141 is an 02 sensor sensor heater circuit malfunction (bank 1 sensor 2)

    PO155 is the same for bank 2 sensor 1.
    Depending on your mileage, and no wiring problems, you will need to replace the oxygen sensors and clear the codes.

    I hope this helps.

    Aug 24, 2011 | 2004 Mitsubishi Galant

    2 Answers

    2007 Chevy Tahoe check engine scan codes: P0030, P0053, PO135 ~ Please advise or help : ( thought that advanced auto would have been a bit more helpful than handing me a piece of paper with codes and...


    There is a fault with the inbuilt heater in the oxygen sensor, before the catalytic converter, on the exhaust pipe the same side of the engine as cylinder 1. The oxygen sensor has four wires within the cable sheath to the top of it. Two of the wires will share the same color. These wires supply power to an internal heating element wire within the sensor. Follow the cable from the oxygen sensor to the connector, you can do a lot testing here. Check the resistance between the two 'same coloured ' wires. The resistance is low, somewhere between 1 and 10 ohms. If there is no continuity (infinite resistance) then this is the fault and the sensor needs to be replaced. The codes: P0030 the oxygen sensor heater relay is at fault P0053 Oxygen heater resistance error P0135 Sensor 1 bank 1 error You are looking at replacement. A further confirmation take the connection from sensor 1 bank 1 and swap it with the sensor 1 bank 2 on the other side of the engine. The codes should 'transfer' and show P0036; P0059 and P0141.

    Apr 26, 2011 | 2007 Chevrolet Tahoe

    1 Answer

    2002 blazer zr2 check engine light code is po155 bank 2 sensor 2 where is it and how do I check it


    P0155 is o2 sensor heater circuit malfunction bank 2 sensor 1 it is the o2 sensor circuit in front of the cat converter the o2 sensors are located mounted to the exhaust pipe in front and behind the catylic converter the problem is in the circuit [wiring or sensor itself] check wiring and repair if necessary if the short or open circuit is the sensor need to replace sensor +++ P0161 is 02 sensor heater circuit malfunction BANK 2 SENSOR 2 ++++++ this is the sensor behind the cat converter

    Feb 23, 2010 | 2002 Chevrolet Blazer

    1 Answer

    I OWN A 2002 DODGE INTREPID AND IT COMES UP WITH THESE CODES P0700,P0056,P0135,P0141,P0155,P0161 CAN YOU TELL ME WHAT THEY MEAN?


    po700 is automatic transmission fault detected. poo56 is didnt see .po135 is upstream heated o2sensor heater circuit fault bank 1. po155 upstream heated o2 sensor heater circuit fault bank2.po 161 is downstream heated o2 sensor heater circuit fault bank 2.

    May 15, 2009 | 2002 Dodge Intrepid

    1 Answer

    I have problem with code 1126 (toyota 4 runner 2001


    Manufacturer Specific Codes

    P1100
    BARO Sensor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

    P1120 Accelerator Pedal Position Sensor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

    P1121 Accelerator Pedal Position Sensor Range/Performance Problem

    P1125 Throttle Control Motor Circuit - Read Our Article on Automotive Circuit Testing For Help With This Toyota Check Engine Light Code

    P1126 Magnetic Clutch Circuit

    P1127 ETCS Actuator Power Source Circuit

    P1128 Throttle Control Motor Lock

    P1129 Electric Throttle Control System

    P1130 Air/Fuel Sensor Circuit Range/Performance (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code - More Related Information

    P1133 Air/Fuel Sensor Circuit Response (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code

    P1135 Air/Fuel Sensor Heater Circuit Response (Bank 1 Sensor 1) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code - More Related Information

    P1150 Air/Fuel Sensor Circuit Range/Performance (Bank 1 Sensor 2)

    P1153 Air/Fuel Sensor Circuit Response (Bank 1 Sensor 2) - Read Our Article On Oxygen Sensor Codes For Help With This Toyota Check Engine Light Code

    P1155 Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)

    P1200 Fuel Pump Relay Circuit

    P1300 Igniter Circuit Malfunction - No. 1

    P1305 Igniter Circuit Malfunction - No. 2

    P1335 No Crankshaft Position Sensor Signal - Engine Running

    P1349 VVT System

    P1400 Sub-Throttle Position Sensor

    P1401 Sub-Throttle Position Sensor Range/Performance Problem

    P1405 Turbo Pressure Sensor Circuit

    P1406 Turbo Pressure Sensor Range/Performance Problem

    P1410 EGR Valve Position Sensor Circuit Malfunction - Read Our Article on EGR Valve Codes For Help With This Toyota Check Engine Light Code

    P1411 EGR Valve Position Sensor Circuit Range/Performance - Read Our Article on EGR Valve Codes For Help With This Toyota Check Engine Light Code

    P1500 Starter Signal Circuit

    P1510 Boost Pressure Control Circuit

    P1511 Boost Pressure Low

    P1512 Boost Pressure High

    P1520 Stop Lamp Switch Signal Malfunction

    P1565 Cruise Control Main Switch Circuit

    P1600 ECM BATT Malfunction

    P1605 Knock Control CPU

    P1630 Traction Control System

    P1633 ECM

    P1652 Idle Air Control Valve Control Circuit

    P1656 OCV Circuit

    P1658 Wastegate Valve Control Circuit

    P1661 EGR Circuit

    P1662 EGR Bypass Valve Control Circuit

    P1700 Vehicle Speed Sensor '2' Circuit Fault

    P1705 Direct Clutch Speed Circuit Fault

    P1765 Linear Shift Solenoid Circuit Fault

    P1780 Park/Neutral Position Switch Malfunction (Only For A/T)

    Back To Top Of Toyota Check Engine Light Codes Page

    Mar 21, 2009 | 2002 Toyota 4Runner

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