2008 Cadillac STS has a new battery, starter and alternator but doesn't start at times

Asked by GuruQ71VN Nov 26, 2019 at 03:30 PM about the 2008 Cadillac STS

Question type: Maintenance & Repair

My boyfriends 2008 Cadillac STS once a week will not start, lights on but does
not turn over. Guess what hours later or the next day it starts up.  He has a
fairly new starter, new battery & alternator. When taken to Firestone he's
advised no problem found after the test was ran and the car started right up.  
We are scratching our heads wondering what could be the issue.

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