How much timing advance are you guys running on your 96-98 OBD2 Mark VIII? I have heard that you can't run any more than 4-5 degrees timing advance without setting off the CEL with the OBD2 computers? I ran 6 degrees timing advance on my OBD1 Mark VIII and never had any problems with pinging or detonation.
OBD2 and timing advance?
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