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What causes 2nd O2 Sensor Failure?
Posted 27 January 2005 - 06:54 PM
Two days after ignition coil replacement, the same hesitation and sort of enging sputtering started - read about 02 sensor here, and bingo, problem resolved.
It's been two months, we're running the 96? octane Petro Canada winter gas thinking we're doing our part to keep the engine clean.
Now we're getting sputtering/hesitation again, and the good old check engine light comes on. Same symptoms that were resolved with 02 sensor replacement last time.
Could we be ruining the O2 sensor with the gas we buy? Could we just have very bad luck and had a faulty sensor installed?
Posted 27 January 2005 - 07:06 PM
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