Check Engine light

Asked by Aug 30, 2015 at 02:05 PM about the 2003 Mitsubishi Montero Sport XLS 4WD

Question type: Maintenance & Repair

The check engine light on my Mitsubishi Montero Sport XLS came on. I checked with the computer tester and the readout was "Bank 2 Sensor 2 Heat Circuit Malfunction". Any idea what this means?

4 Answers

2,565

yes you need a bank 2 sensor 2 Oxygen sensor. the heating eliment in the sensor has probably failed.

2 people found this helpful.
2,565

it looks like this picture and is on the driver side I believe there are two of them on up on the manifold and them there is one down from that and that is sensor two you can ask the parts guy too where it is located and they might be able to give you a print out

2 people found this helpful.
78,095

This is going to be the downstream oxygen sensor on the side of the engine where the #2 cylinder is. Some oxygen sensors have heaters in them to help them warm up faster. This allows the engine to go into "closed loop" operation faster and gives better fuel economy and lower emissions levels. HTH. -Jim

1 people found this helpful.

I broke the bolts that secure the EGR, how do I remove it? The heads are broken off .

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