New front oxygen sensors in '01 D2

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davran

New front oxygen sensors in '01 D2

#1 Post by davran » Sat Mar 26, 2011 6:02 pm

All,

A few weeks ago I got the Wife's D2 scanned as the Service Engine Soon light was on. The scan said it was front oxygen sensors, so I decided to get new ones as I've heard it helps fuel mileage too. Interestingly, it turns out the right one -- as looking out the windshield -- wasn't even fully plugged in. I decided to change them anyway as I got Bosch ones from Lordco in Duncan for $77.50 each.

Will the Service Engine Soon dash light go off by itself, or do I need to get the codes cleared with a scanner?

Thanks,

roverdevin
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#2 Post by roverdevin » Sun Mar 27, 2011 8:17 am

David,

I recently did the same thing, and previous to that, had intermittent O2 sensor faults that would last a day or so. I changed the offending sensor, and the light went out and stayed out later that day.

The codes do get stored and I believe the stored codes need to be cleared by a scanner. This is on a late, OBDII Discovery I, but I'm assuming it would be the same for the Discovery II.

Sincerely,

Devin B

davran

#3 Post by davran » Sun Mar 27, 2011 7:59 pm

The "service engine soon" light finally went out today. How do the codes clear themselves?

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