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P0141 error code - mitsubishi diamante 1998

I twice change o2 sensor, but error code p0141 still on. Can anyone tell me what might be the reason

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It is the O2 Sensor. Are you sure you replaced the correct one or have you replaced all of them. My vehicle has four. Based on what I have found it appears your car has four also. Have you replace those or just the one you can see. You will have one each at the Catalytic converters, whioch are called the down stream sensors. You will also have two upstream sensors on the exhaust pipes near the exhaust manifolds.

Posted on Nov 22, 2013

Testimonial: "my car have only 2 O2 sensor (before and after cat). i change only one sensor, which is after cat."

  • levan arsiashvili
    levan arsiashvili Nov 25, 2013

    my car have only 2 O2 sensor (before and after cat). i change only one sensor, which is after cat.

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Posted on Jan 02, 2017

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SOURCE: OBDII code P0141 on 97

Should be your secondary heated oxygen sensor (S2) located after your catalytic converter.

Posted on Mar 09, 2009

Molson02536
  • 3854 Answers

SOURCE: replaced both sensors in a 2004 Pontiac Grand Prix P0135 P0141

A code P0135 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 wire harness. 
What to do; = 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)
A code P0141 may mean that one or more of the following has happened:

Same as above: mentioned in P0135.
What do do is the same as above, so i am leaning towards and faulty wire harness since you have replaced both O2 sensors. Make sure the wire harness has no break in it or crushed connection clips. The other thing to look for is a bad fuse that is used to heat up the O2 sensor. It may not say O2 sensor on it, it may piggy back off something else so check all the fuse and make sure the O2 has a good ground and not corroded. Good luck and hope this helps. 

Posted on Jun 25, 2009

  • 135 Answers

SOURCE: Where is bank1 sensor 1 (O2 sensor) of 2003 Mitsubishi Eclipse

if its a 4 cylinder it will the 02 sensor closest or if not in the exhaust manifold

Posted on Aug 05, 2009

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P0155 error code Mitsubishi diamante 2002 where is it located the sensor


P0155 is not telling you which part is defective, it is saying there is a problem in the system and that the triggers the fault code. In this case you have a O2 sensor whose heater is not heating. This may be the senor or the wiring to it.
P0155 OBD-II Trouble Code: 02 Sensor Heater Circuit Malfunction in cylinder Bank 2 (V6 only), Sensor 1, this is the sensor before the catalyst.

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P0431


Well code 431 means the computer does not think the catalytic converter is working correctly. The engine computer uses data from the O2 sensors to monitor the cat.
The actual problem could be the cat, one of the O2 sensors, a fuel problem, or other things. The O2 sensors would need to be watched with a scanner to find the issue.

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Hummer he 2004 p0141


Diagnostic Test Code (DTC) P0141 is defined by SAE J2012 as "O2 Sensor Heater Circuit Bank 1 Sensor 2"

Most of the time, this is caused by the heating element in the O2 Sensor being burned out. However, there is a chance that there is a circuit malfunction elsewhere besides in the O2 Sensor itself.

Also see this article:
Which Oxygen Sensor Is It?

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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

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Check engin light on. There are four error codes P0137,P0141,P0342, and P1792. How do I fix it. Will I pass inspection with these codes?


P0137 Error code Faulty O2 sensor Exhaust leak near the rear sensor
  • Plugged catalyst
  • Short to voltage on O2 signal circuit
  • High resistance or open on O2 signal circuit
Possible Solutions
  • Replace faulty sensor
  • Repair exhaust leak near the rear sensor
  • Check for restriction in catalyst and replace as necessary
  • Repair short, open, or high resistance on o2 signal circuit
P0141 Error code means Downstr Heated Oxygen Sensor Heater circuit fault - Bank No. 1.

- replacement is needed for this issue.

P0342 Error code means Camshaft Position Sensor Circuit Low Input

P1792 Error code means P1792 means the computer isnt properly programmed so if this code keeps comming back the pcm may need to be replaced


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1998 honda accord check engine light on code p0141


SECONDARY HEATED O2 SENSOR HEATER CIRCUIT FAULT SENSOR 2.

Jun 09, 2009 | 1998 Honda Accord

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2003 Mitsubishi Sypder Trouble Code P0141


thats nothing really to worry about the heater is use untill the exhaust gas is hot. like 400 degrees or somthing, thats were O2 sensors work the best. only for emmisons. won't effect your cars proformance

Apr 17, 2009 | 2003 Mitsubishi Eclipse Spyder

1 Answer

1998 mitsubishi diamante o2 sensor, o2 heater, EGR sys NOT READY


Check the O2 sensor heaters with an ohmmeter. Also test the EGR solenoid valve by applying 12 vdc directly to the solenoid pins.

Disconnect the HO2S.
  1. Measure the resistance between PWR and GND terminals of the sensor. Resistance should be approximately 6 ohms at 68°F (20°C). If resistance is not within specification, the sensor's heater element is faulty.
  2. With the HO2S connected and engine running, measure the voltage with a Digital Volt-Ohmmeter (DVOM) between terminals HO2S and SIG RTN(GND) of the oxygen sensor connector. Voltage should fluctuate between 0.01-1.0 volts. If voltage fluctuation is slow or voltage is not within specification, the sensor may be faulty.

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1998 Chevy s10 4 cylinder running rough


One thing to check is the fuel pressure regulator.
If the diaphram is leaking it will cause gas to be pulled into the vacuum system causing lots of white smoke and extreme rough running.

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Code # P0141 and P0138


You said you changed the O2 sensors, which ones? I do believe that sensor 2 is the Catalyst efficiency monitor, it looks like an O2 but it's function is different. This sensor is behind the Catalytic converter, the O2 is in front. Bank one is the bank that # 1 cylinder is on, so the sensor that is defective is the 2nd sensor back on that sides exhaust pipe.

P0141 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 2

P0138 - Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 2

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