I have a cadillac 3.2v northstar 1998model.an error displays check gas cap. on 1998 Cadillac Catera

and also service engine soon displays continues

by in Amity, OR on December 14, 2011
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1 answer
ANSWER by , December 14, 2011
gross vacuum leak in the evap system. gas cap is a common failure but could be many other things. you need a shop to help you with this. Roy