02-21-2024, 10:13 PM
Thanks for all the ideas. I'm letting them marinate as I'm working on our other Impala today. (sigh).
If it helps get the diagnostic juices flowing, the misfire appears to manifest after the engine has hit operating temperature for a good 10 minutes or so.
There are codes specifically for the O2 sensors. But I'm not wise enough to know if they get triggered during a malfunction or only if there is a total failure.
If it helps get the diagnostic juices flowing, the misfire appears to manifest after the engine has hit operating temperature for a good 10 minutes or so.
There are codes specifically for the O2 sensors. But I'm not wise enough to know if they get triggered during a malfunction or only if there is a total failure.