smog check

fmiddle
0

Asked by fmiddle Nov 17, 2006 at 05:49 PM about the 1985 Chevrolet Corvette

Question type: Maintenance & Repair

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

1 Answer

carGrrl
13,115

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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