code 52 calpack says its missing but its there the ecm code is gone and will not return, car has a 5.0 intead of 5.7? cnat get it to pass smog
From http://www.gnttype.org/maint/malf.html: "Typical causes for this code include: 1) Incorrectly installed CALPACK module 2) Incorrect CALPACK module for this vehicle 3) Defective or incorrectly inserted PROM 4) Defective ECM"
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