This is a discussion on O2 sims within the General Help forums, part of the LSx Technical Help Section category; I put some long tube headers on last summer and got a set of O2 sims. It kept the SES ...
03-12-2007, 02:17 PM #1
I put some long tube headers on last summer and got a set of O2 sims. It kept the SES light off for about 4 months and now the SES light is on with the code High voltage in both my rear O2's Any idea what could be going on?
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