05-28-2012, 03:48 PM
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#5 (permalink)
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The370Z.com Sponsor
Join Date: Feb 2010
Location: Edmonton, AB
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Quote:
Originally Posted by Ron
factory sensors are wideband. I am reading them through obd2 using dashcommand and when comparing the readings to my innovate mtx-l they are very similar if not the same.
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From what I understand the OEM sensors are widebands, but not to the same tolerances as an aftermarket wideband. The OEM widebands do not read accurate below 12:1 on the a/f scale. This makes sense because an N/A car should never run richer than that.
The donor car I just built the ST kit for has a significant discrepancy between the LC-1 and the OEM O2 sensors. I would never rely on the OEM sensors for tuning a turbo/supercharged Z. This was confirmed by one of the most respected pro tuners in this Z community over the phone a couple of weeks ago.
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