MOT fail...CO reading
Took HiHo for a MOT today after being wrapped up in the garage since Sept. I had changed the plugs ( 06's) a few days before.
Had a catastrophic fail on the CO reading at 11% Haven't changed anything since last year and it went through at 3% ( or there abouts ) standard non cat figure. They suggested O2 sensor, so I got home, had a look, and there isn't one?? Is that even possible? |
Is there not a 02 sensor on the exhaust headers at the up pipe flange on the early scoobs ?
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If it's a real early one it may be in the header. The wire comes up the left side of the cam belt cover with a connector near the corner of the cover.
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Soooo...If this was faulty, wouldn't it throw a cel? |
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If it's dead it probably running about 12AFR instead of 14.7. They run better disconnected as it won't be getting a duff signal. |
Just a thought have you dumped and put in new fuel?
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Mine ran like crap on year old fuel even with closed loop lambda.
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Popped in a new Lamdba today and the idle speed has gone by 150 ish rpm and it get to normal operating temp quicker? Is that normal?
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Well, the Lambda dis the trick, reading dropped down to 1.3%.
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Result.....
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