LC1 losing connection.
My LC1 has been dropping it's connection and and I've been getting codes P1133 AND p1153. I thought the WB sensor might be dying and the 02's might be in a different place with the new headers. It did seem too coincidental that both issues are happening at the same time. The common change has been the headers and I realized that they do not have a bracket connected to the bell housing. Maybe it was a grounding problem? So, I grounded the headers to the bell housing and it has not dropped out all day. I'll enable the DTC's and see if they come back.
Has anyone experienced this or heard of it and is the aluminum bell housing a good enough ground or am I just lucky and it will all re-occur?
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