MACH I Member
Joined: Sep 2008
Location: Covered in Snow
That tells you that you likely had a disconnected O2 sensor, the ECM subsequently adjusted the LTFT's, when the O2 sensor came back online the LTFT's were too rich, causing a "high voltage" condition.
It tells me that you reset the codes, but didn't clear the KAM.
You can either wait a few drive cycles for the LTFT's to come back to normal levels on their own, or clear the KAM. In the meantime, I'd be trying to find a way to remove the extensions.
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