Mitsubishi Grandis Elegance 2.4L Lamba Sensor -
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post #1 of 3 (permalink) Old 08-16-2016, 12:31 PM Thread Starter
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Red face Mitsubishi Grandis Elegance 2.4L Lamba Sensor

Hi All, I am the owner of a Mitsubishi Grandis Elegance 2.4L Automatic Transmission in London.
The warning light on my dash is due to the oxygen sensor.
I've been told by Mitsubishi that my car has 4 oxygen/lambda sensors - 2 on the manifold and 2 on the down pipe before the catalytic converter.
I had a diagnostic done at Halfords and they informed me that it was a bank 1 lambda sensor fault and advised me that I should change both.
(My advice is make sure you are given the promise that any diagnostic will pinpoint which sensor is at fault to avoid you spending £50 and being none the wiser)
I have spent a long time researching the lambda sensors but if anyone can advise if I need to change both pre cat sensors at the same time I would be grateful and also which sensors I need to buy.
The mileage on the car is 85000 miles and I believe the sensors haven't been changed before.
Also, will the lift go out once the correct sensor have been changed?
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post #2 of 3 (permalink) Old 08-16-2016, 02:58 PM
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Need to if only 1 is failing no, but typically if it is failing due to things like gunk build up etc then the other won't be too far behind. And typically if your paying for it to be done the labour is cheaper to have both done at the same time then to come back at a later date.

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post #3 of 3 (permalink) Old 08-17-2016, 10:34 PM
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Couldn“t agree more izerous ...
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