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Recent content by b_niehoff

  1. B

    1998 57 EFI missfiring

    "'98 5.7 EFI runs good col "'98 5.7 EFI runs good cold, as soon as its warm up it misses when I hammer the gas. I've replaced the cap, rotar and timing advance coil. when it happens my Tach jumps everywhere, any ideas?"
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