Quote:
Originally Posted by steve99
Use new gaskets, re-used ones almost always leak
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Installed the stock header with brand new gaskets last night.
No change
long term fuel trim is still ~19% at idle or coast, and drop to zero with even the slightest bit of throttle.
I did try leaving the positive cable off overnight to reset things, not sure if that actually works or not. I'm considering re-flashing the ECU. I guess I may have to spend the evening rigging up a smoke machine to double check for vacuum leaks...