Question about 2002 Mitsubishi Galant

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The oxygen sensor needs to be replaced, where would it be located on an 02 Galant?

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Check on the exhust manifold

Posted on Sep 02, 2010

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1 Answer

Where is the 02 Oxygen Sensor before the cadalic converter on a 2006 Hyundai Santa Fe


Usually these are located on the exhaust manifold or just below the exhaust manifold and you should be able to see it in the engine bay. On V6 engines there will be one sensor on each of the 2 exhaust banks.
You will probably need to remove the engine cover to see the sensors on your exhaust.

If someone told you to replace these because you got a particular fault code I would be wary. A decent scan tool and basic diagnostics can show if the 02 sensor is working or not. Some faults often blamed on an 02 sensor are not due to faulty sensors.

Jan 09, 2016 | 2006 Hyundai Santa Fe

1 Answer

Code 21,43,and 42


You have two oxygen sensors but 21 is upstream sensor. This is the sensor between engine and catalytic converter. There is three possible problems that it could be.
1 oxygen sensor input voltage maintained above the normal operating range.
2 no signal at 02 2/1 sensor
3 oxygen sensor input voltage sustained above thenormal operating range. What all this means is you need to replace the sensor.
when getting the replacement this is your O2 2/1 sensor.

May 13, 2013 | 1996 Jeep Cherokee Country

1 Answer

Where are the 02 sensors located on a chevy venture


I have written a couple articles that cover subjects including oxygen sensors, oxygen sensor codes, and oxygen sensor locations. I recommend that you read these articles before pending your money on trying to replace any oxygen sensors. Click the links below to see the articles.

What Else Could Be Wrong?

Which Oxygen Sensor Is It?

Apr 26, 2012 | 2003 Chevrolet Venture Passanger

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

1 Answer

I have a 1997 Mitsubishi Galant with rough idle and no power when accelerating. Replaced spark plugs, distributor cap, rotor, spark plug wires, MAF, both oxygen sensors, air filter and the engine still...


I am having the same issue on Mitsubishi Galant 02. Clattering on acceleration, herky jerky idle. Pulled a code multiple cylinder misfire. My mechanic's diagnosis is bad valve cover gasket causing oil to seap into the spark plugs and bad timing belt, which I have not replaced at 150k miles. I do however know my fuel injectors do need cleaning, he hasn't ruled that out either. Have you pulled any code on it? I have read on engine knock sensor going out on some of these also. Hope this helps some.

Oct 20, 2010 | 1997 Mitsubishi Galant

1 Answer

P1176 2000 VW JETTA ALREADY CHANGED THE 02


17584/P1176/004470 - Bank1: O2 (Lambda) Correction Behind Catalyst: Control Limit Reached Possible Causes
  • Intake Air System leaking
  • Oxygen Sensor(s) and/or Oxygen Sensor Control faulty
Possible Solutions
  • Check Intake Air System for Leaks (False Air)
  • Check Oxygen Sensor(s) and/or Oxygen Sensor Control (all of them!)
This is the pre 02 sensor located before the catalytic converter.

May 10, 2010 | 2000 Volkswagen Jetta TDI

1 Answer

Po507 could that be the idol air control


did you replace both 02 sensors? 02 sensors and camshaft position sensor do most of the engine timing. A bad vacuum hose will throw the timing off as well.

Sep 21, 2009 | 2002 Mitsubishi Galant

2 Answers

2005 gallant with O2 sensor engine light is one...how do I fix it?


have the engine light code scanned, and it'll tell you if it's bank 1 sensor 1, bank 1 sensor 2, bank 2 sensor 1, bank 2 sensor 4.

Bank 1 is on the same side as Cylinder 1
Bank 2 is on the opposite side of Cylinder 1

Sensor 1 is located before the catalytic converter.
Sensor 2 is located after the catalytic converter

Sep 11, 2009 | 2001 Mitsubishi Galant

2 Answers

Oxygen sensor 2000 galant


The first sensor closest to the exhaust manifold is for the air to fuel ratio. The second one if it has one will be further downstream and checks to see if exhaust is plugged.

Is your car running right especially at idle????

Jun 20, 2008 | 2000 Mitsubishi Galant

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