Quote:
Originally Posted by WVZR-1
It very well might not be a coincidence. I'd think the quality of the components quite important. How long is the extension?
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I use the wiring and connectors from used O2 sensors so my extension adds about 9" in length. Just thinking out loud if there is any correlation to which side of the motor the defective sensor is usually found. Also, if it happens w motors using headers (the reason for the extension) as opposed to stock manifold motors.
Given the very low signal strength used for the O2 sensor, perhaps the Bosch O2 is marginal in those situations. Or perhaps it works fine at first but then deteriorates over time.
The O2 sensor I am now using is the AC AFS-74. It looks more like a Denso sensor than the Bosch. When I logged the ACs v the Bosch , the ACs seemed to tell a bit of a different story re: BLMs. Motor appeared to be running leaner than I had observed before. Another observation is that the motor does not drop in and out of C/L. Once there, it stayed in C/L.