Question about 2002 Mitsubishi Montero Sport

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I have 2002 mitsubishi montero sport 3.5L with a check engine code for O2 sensor no circuit activity Bank 2 Sensor 1. Any Help?

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Replace the o2 sensor the one before the cat converter with a quailty sensor like a denso brand o2 sensor

Posted on Jun 06, 2010

  • cda2z
    cda2z Jun 06, 2010

    replace the o2 sensor

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1 Answer

O2 Sensor defect


MR988905 costs $300+

SNG O2 sensor is just below $100

they may claim being made with the same quality and both are tagged "direct fit" for easy installation.

its just my idea, good luck.

Jul 16, 2008 | 1999 Mitsubishi Montero Sport

1 Answer

Could the catalytic converter cause this code 2002 mitsubishi montero sport 3.5 p0161 code changed the o2 sensor and still get the same code could the catalytic converter cause this code


No it has nothing to do with the cat.
Code 161 is for a problem with the heater circuit for sensor 2 bank two. Either the heater in the sensor has failed, or the circuit that powers the heater is not working.

Feb 22, 2015 | 2002 Mitsubishi Montero Sport

1 Answer

Engine Service Soon Light On code P0154


Error Code: P0154
Description:
Heated Oxygen Sensor (HO2S) 1 , Bank 2 - No Activity Detected
Problem areas:
- Wiring.
- Open circuit in signal wire, between Heated Oxygen sensor 1, Bank 2 and ECM. (Must check and confirm)
- Heated oxygen sensor (HO2S).
- Engine control module (ECM).

Nov 20, 2013 | 2003 Mitsubishi Montero Sport

1 Answer

I'm thinking about buying a 2002 range rover. It has a service/check engine codes of 134,135,155. Is it likely to be more than oxygen sensor problems? Please reply , Mel


with those codes showing, it could be either bad O2 sensors or there is a problem with the wiring to those sensors. Also, the wrong sensors may be installed. I'm assuming codes P0134, P0135, P0155.

For others viewing this:

P0134 = O2 sensor circuit-no activity detected (bank 1 sensor 1)

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

P0155 = O2 sensor heater circuit malfunction (bank 2 sensor 1)

Feb 11, 2011 | 2002 Land Rover Freelander

1 Answer

Which O2 sensors relate to error codes PO130 and PO135


P0130 - O2 Sensor Circuit Bank 1 Sensor 1
P0135 - O2 Sensor Heater Circuit Bank 1 Sensor 1

Here is a visual aide that will clear up the confusion on where the affected sensor is located.
8f36c68.jpg

Aug 04, 2010 | 1999 Mitsubishi Montero Sport

1 Answer

Meaning of code 151 0n 4m41 engine


P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)
this could be a fluke code I would earse it and see if it comes back before putting the sensor in there not cheap. Bank 2 means witch side of the engine bank 1 is the side that #1 cylinder is on bank 2 is the other side sensor 1 means upstream above the catalytic converter on the engine side sensor 2 is below the catalytic converter

Mar 24, 2010 | 2000 Mitsubishi Montero Sport

1 Answer

My car indicates check engine sigh with following two codes 1: p0139 2: p0140


Hi Garcha,

Both codes relate to O2 Sensor # 2

Code P0139: O2 Sensor Circuit Slow Response - Bank 1, Sensor 2
Code P0140: O2 Sensor Circuit No Activity Detected - Bank 1, Sensor 2

A faulty O2 sensor will mean incorrect signals will be sent to the EFI computer, causing erratic engine running.


Cheers,


"If this has helped you in any way, please rate this solution" :-)



Jan 27, 2010 | Hyundai Motor 2002 Elantra

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