Question about 2005 Mitsubishi Galant

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05 Mitsubishi galan code u1108 keep coming back battery already replaced O2 seem to be working properly any help please thanks

O2 seem to be working properly it have new battery please anyone

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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Loringh
  • 185 Answers

SOURCE: mitsubishi lancer glx 2003 battery discharge

If you disconnect the ground terminal of the battery can you see any sparks if you touch cable to the - terminal?

If you can, go to the fuse panel by the drivers left knee and remove the fuses one at a time. Each time you remove a fuse touch the battery cable to the - terminal and see if you have a spark.
Doing this will enable you to find the circuit that is drawing the current from the battery.

Hope this helps Good Luck Loringh PS Please leave a rating thks

Posted on Nov 09, 2008

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  • 1 Answer

SOURCE: Engine Fault Code P1963

solved cheers!

Posted on Apr 11, 2009

  • 1 Answer

SOURCE: Spinning My Wheels!! ---- P0421 Code Mitsubishi Galant

I have the same vehicle, same code P0421, changed the BOTH O2 sensors and the check engine light was still on, took it to my fathers garage and checked the Catalytic Converter, and it was ok later I found out that P0421 means that the vehicle doesn't have the proper mixture of gas and air (running richer) so I changed the MAX air flow sensor and wala the code went away.

Posted on Apr 14, 2009

  • 752 Answers

SOURCE: mitsubishi pinin fault code P0421

yes this is your catalytic convertor is clogged you have to change before is damages ur o2 sensors

Posted on Feb 12, 2010

  • 10 Answers

SOURCE: Mitsubishi fto 1995 import gpx battery light keeps coming on

sounds like you have a short somewhere. without seeeing the car, i would suggest going to an auto electrician, not a "local garage" and god forbid... to mitsubishi (unless your loaded that is).

my gut feeling would be the alternator belt (aux belt) is getting old and worn and is slipping, causing a power fluctuation, but again, without seeing it, i cant diagnose.

good luck with it, fto's are fantastic so do what you can

Posted on Feb 15, 2010

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1 Answer

Are all 4 o2 sensors on my 07 g6 gt interchangeable/changeable? Can they be cleaned and reused if dirty?


Without looking up the O2 sensors i can not say for certain that they are ll the same however usually they are. an O2 sensor is something that will work properly if they are just cleaned. But, just curious why would you need to change them all at once? It just seems odd to me.

Apr 30, 2017 | Cars & Trucks

1 Answer

Can an O2 oxygen sensor effect another sensor and give a false reading?


Check which side of your engine has cylinder #1. That side is bank 1. Bank 2 is the side opposite of bank 1. So bank 2 is not always passenger side. And since you seem to have extra O2 sensors, I would replace the other upstream and see what happens. Also the mass air sensor can give a trouble code issue to the upstream 02 sensors. Good luck. I've struggled thru this myself.

Mar 06, 2015 | Cars & Trucks

1 Answer

Cylinder 1 and 4 not firing


have you checked for codes. you should have power and ground at the coil plug. note the computer is what grounds the circuit to fire the ignition coil. if you don`t have a ground then it could be a bad coil driver in the computer, which means you will have to have the computer replaced a possibly programed to the car.

Aug 16, 2014 | Cars & Trucks

1 Answer

What does a o2 sensor look like


Heated Oxygen Sensor

Print


Removal & Installation

3.5L

WARNING When disconnecting the sensor electrical connector, do not pull directly on wire going into sensor.

  1. Disconnect the negative battery cable.
  2. Disconnect the heated oxygen sensor electrical connector.
  3. Use a socket such as a crowfoot wrench to remove oxygen sensor.

To Install:

NOTE When replacing an O2 Sensor, the PCM RAM memory must be cleared, either by disconnecting the PCM C-1 connector or momentarily disconnecting the Battery negative terminal. The NGC learns the characteristics of each O2 heater element and these old values should be cleared when installing a new O2 sensor. The customer may experience driveability issues if this is not performed.
  1. After removing the sensor, the threads must be cleaned with an 18 mm X 1.5 + 6E tap. If reusing the original sensor, coat the sensor threads with an anti-seize compound such as Loctite 771- 64 or equivalent. New sensors have compound on the threads and do not require an additional coating. Tighten the sensor to 28 Nm (20 ft. lbs.) torque.
  2. Connect the heated oxygen sensor electrical connector.
  3. Install the wiring clip to the heat shield.
  4. Connect the negative battery cable.

    0996b43f80202384.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig.


3.8L Downstream Sensor

WARNING When disconnecting the sensor electrical connector, do not pull directly on wire going into sensor.
  1. Disconnect negative battery cable.
  2. Raise and support vehicle.
  3. Disconnect the electrical connector.
  4. Use a socket such as a crowfoot wrench to remove oxygen sensor.

3.8L Upstream & Downstream Sensors

NOTE When replacing an O2 Sensor, the PCM RAM memory must be cleared, either by disconnecting the PCM C-1 connector or momentarily disconnecting the Battery negative terminal. The NGC learns the characteristics of each O2 heater element and these old values should be cleared when installing a new O2 sensor. The customer may experience driveability issues if this is not performed.
  1. After removing the sensor, the threads must be cleaned with an 18 mm X 1.5 + 6E tap. If reusing the original sensor, coat the sensor threads with an anti-seize compound such as Loctite 771- 64 or equivalent. New sensors have compound on the threads and do not require an additional coating. Tighten the sensor to 28 Nm (20 ft. lbs.) torque.
  2. Connect the heated oxygen sensor electrical connector.
  3. Connect the negative battery cable.

3.8L Upstream Sensor

WARNING When disconnecting the sensor electrical connector, do not pull directly on wire going into sensor.
  1. Disconnect negative battery cable.
  2. Disconnect the upper O2 sensor connector.
  3. Use a socket such as a crowfoot wrench to remove oxygen sensor.

    0996b43f80202385.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig.


    0996b43f80202386.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig.


To Install:


Testing


NOTE Allow the O2 Sensor to cool down before conducting the test. The O2 Sensor voltage should stabilize at 5.0 volts. Raising the hood may help in reducing under hood temps quicker.

  1. Turn the ignition on, engine not running. With the scan tool, actuate the O2 Heater Test.
  2. With the scan tool, monitor O2 Sensor voltage for at least 2 minutes. Does the O2 Sensor voltage stay above 4.5 volts- If so, sensor is normal.
  3. If voltage does not stay above 4.5v as indicated, check wiring and connectors. Check O2 sensor for contamination.
  4. If wiring from the O2 sensor is damaged, DO NOT repair it; replace the O2 sensor.
  5. Turn the ignition off. Allow the O2 sensor to cool down to room temperature.
  6. Disconnect the O2 Sensor harness connector.
  7. Measure the resistance across the O2 Sensor Heater element component side. Resistance for either O2 Sensor should be 2.1-2.7 ohms.
  8. If the O2 Sensor is not within range, turn the ignition off.
  9. Disconnect the O2 Sensor harness connector. Turn the ignition to ON; engine not running.
  10. With the proper scan tool, actuate the O2 Heater Test.
  11. Using a 12-volt test light connected to ground, probe the O2 Heater Control circuit in the O2 Sensor harness connector.
  12. If the test light illuminates brightly and flashes on and off, replace the O2 Sensor.
  13. Confirm the repair with the appropriate Verification Test.
  14. Turn the ignition off.
  15. Disconnect the O2 Sensor harness connector.
  16. Disconnect the PCM harness connector.
  17. Measure the resistance between ground and the O2 Heater Control circuit in the O2 Sensor harness connector.
  18. Is the resistance below 5.0 ohms- If yes, repair the short to ground in the O2 Sensor Heater Control circuit. If resistance is okay, go to step 20.
  19. Confirm the repair.
  20. If resistance was okay when measured in step 17, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
  21. If the resistance is still not within specified range, replace and program the Powertrain Control Module in accordance with the service information.
  22. Confirm the repair.

Jul 13, 2012 | 2004 Chrysler Pacifica

1 Answer

I have a 2001 Mercury Cougar with the 2.0 that needs a new catalytic converter. The current conerter has 2 O2 sensors, but I can only seem to find new converters with 1 O2 port. Does anyone know where I...


A direct fit converter for your car is is available from Eastern Catalytic. However a reputable muffler shop should be able to install a threaded port for the 02 sensor if you want to go that route. Call around, get prices, and from that you can make a decision.
Hope this helps.

Jul 01, 2011 | 2001 Mercury Cougar

1 Answer

Cold starting problems


depending on how fast it turns over if its turning over at a normal speed then your o2 sensor could be the cause of the problem a lot of your auto parts stores will run a free diagnostics check if they have the proper reader for your year and model

Dec 30, 2009 | 1996 Mazda Protege

1 Answer

Need to replace 2001 Mazda Protege Oxygen Sensor before the catalytic converter... Not sure how to do this or even where it's located. Can anyone tell me how (and where)? Please be as detailed as possible...


The front O2 sensor is located at the bottom of the heat shield just before you get to the exhaust. It has a wire connected to it. You will have access to this from the top of the car.You may need a O2 sensor tool that you can borrow from most major auto parts retailer. Disconnect the battery first then unplug the sensor. Using the O2 socket remove the sensor. The sensor should come with a packet of anti seize, apply it to the threads and install it. Plug the sensor back up and connect the battery and you should be done. Good luck.

Nov 01, 2009 | 2001 Mazda Protege

2 Answers

1994 Isuzu Trooper o2 sensor, and other misc. problems.


when you replace O2 the light will not go off you must follow these steps, At 90K intervals, the O2 Sensor light will illuminate. After replacing the sensor you must perform the following procedure to reset the light. 1. Remove the instrument cluster. 2. Remove the tape from the hole marked "B" on the back of the instrument cluster. 3.Find the hole marked "A" and remove the screw from that hole. 4. Install the screw in the hole marked "B". 5. Recover hole "B" with tape. 6. Reinstall instrument cover. Once you travel 90,000 more miles you get to reverse the procedure. I think they should test the water at the places those automotive engineers work at.

Jul 20, 2009 | 1994 Isuzu Trooper

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