Thread: O2 sensor
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Old 05-20-2009, 02:56 PM   #1 (permalink)
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prout - '99 mazda protege 1.6l se

laverte - '99 mazda protege se
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O2 sensor

for the begenning I just want to say sorry about my spelling im french from Quebec.recently i had a check engin light on,i borrow my frend scanner and it said i have a problem with my first o2 sensor.So i change it, even the second one disconnect the battery to reset the computer of the car , and i still have the check engine light on.does anyone know what can be the problem, my car is a mazda protege 1999 1.6L

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