Question about 2001 Mitsubishi Galant
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Posted on Jan 02, 2017
The O2 sensors are located in the exhaust piping.
One (bank 1) is on the engine side of the Catalytic convertor.
Second (bank 2) is on the other side (exhaust end).
There are manufacturers that make universal fits that will go in either location. Be sure to specify the rear sensor when you go to the parts store.
It will look like this....
It threads right into the exhaust pipe.
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Posted on Mar 05, 2009
If you have a 4 cylinder, all sensors can be accessed from the ground. They are mounted above and below the exhaust manifold, in plain sight.
If you have a V6, the bank 1 sensor 1 and bank 2 sensor 1 can be accessed from the ground, they are located at the top of each exhaust manifold. Both sensor 2's (the ones after the catalytic converters) must be accessed with the vehicle lifted.
To change the sensors out, a proper O2 sensor socket is desirable. If one is not available, the sensor nut is 22mm, but you may have difficulty getting a wrench to work in the limited space available.
I only recommend genuine Mitsubishi/Denso sensors, as they are just plain more reliable. If you do buy aftermarket, be sure they are complete sensors, not cut and splice sensors.
You can unhook the negative battery cable for 5 minutes to reset the light, or use a scantool (Autozone and similar will often reset your light for free).
Posted on Oct 22, 2009
Check your motor mounts, recently engine idled rough when in nuetral or stopped in drive, also jerked when put in reverse. took it to a automotive shop and found motor mounts cracked. Runs great now
Posted on Nov 13, 2009
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.
Posted on Oct 22, 2010
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