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Stack AFR Gauge

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Old 01-07-2008 | 08:44 PM
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Default Stack AFR Gauge
A couple of quick questions for those who have one:

1) Do you have to calibrate the sensor in free air?
2) Do the AFR readings fluctuate significantly when driving on/off boost or idling?

Thanks.
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Old 01-07-2008 | 08:45 PM
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1) No
2) No not significantly, just as you would expect if the fueling/timing etc is constantly changing as it goes up or down the maps
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Old 01-07-2008 | 08:51 PM
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When driving along (constant 40mph for example) the readings are never still and will fluctuate between 13.4 and 14.5.

To be honest, the reading never stabilises, even when idiling.
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Old 01-07-2008 | 09:25 PM
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What spec/chip is it

Do the readings not even stabilise when you are just cruising and maintaining the same speed.
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Old 01-07-2008 | 09:32 PM
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I should have stated that the gauge is fitted in a Renault 5 GT.

Also, the readings are never stable when cruising at a steady speed.
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Old 01-07-2008 | 09:51 PM
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Don't have a clue then mate, sorry!

Get it checked out
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Old 01-07-2008 | 09:52 PM
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carb fueling might not be as stable as injection?
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