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Forum: Tech Help

11-30-2007, 07:55 PM

Replies: 4

o2 sensor observation

Views: 821

Posted By erubin

Help!

The check engine light goes on for a few seconds with KOEO so that's working OK. Check engine code has not turned on with a fault. With KOEO the O2 sensor (backprobed) only shows a couple mV. I would...

Forum: Tech Help

11-30-2007, 04:50 PM

Replies: 4

o2 sensor observation

Views: 821

Posted By erubin

Yes, the car stays in open loop so the O2 sensor...

Yes, the car stays in open loop so the O2 sensor signal does not fluctuate. I replaced the OVP about a year ago because it was no good and that fixed it then.

I checked the the two fuses and made...

Forum: Tech Help

11-30-2007, 02:30 AM

Replies: 4

o2 sensor observation

Views: 821

Posted By erubin

o2 sensor observation

1989 260E.
I had a difficult time getting through smog by playing with the mixture with a long 3mm allen.

I replaced the O2 sensor and back probbed it. At idle the O2 sensor stays low or high...

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