1999 silverado 4.3 ckpcmp correlation

Can anyone tell me how to fix this problem? Code comes up p1345. And its says its the ckpcmp correlation.

Welcome to AF. Click on this link. Go to "search this forum". Type in P1345. There should be enough info for you there. If not post back.

http://www.automotiveforums.com/vbulletin/forumdisplay.php?f=1090