Quote:
Originally Posted by WildBillyT
Wait.
Were the headers brand new and coated? Did he replace the O2s after burn-in?
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Leading to this as well. I would do the following.
- reinstall old MAF
- reinstall old O2 sensors if they were in good shape
- remove, re-gap and install plugs.
Edit - check the wiring for the O2s for any breaks or w/e. If you buy new O2s, just go with AC Delcos.
Do each of those at a time to isolate the variables.