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My 03 CTS won’t turn on by key but when I start it from fuse box it’s idol bad

(2003 Cadillac CTS)
in Cleveland, OH on October 12, 2018
My 03 CTS won’t start by key but when I start it from the fuse box it idols crazy , revs up and down and then stalls out? Can someone help me
What seems to make the problem better or worse? Nothing I found yet
How long have you had this problem? Month
Tags: cadillac, cts
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Popular Answer
on October 12, 2018
Hello, you can't just start it "from the fuse box" and expect everything to be operating properly.

Repair the cause of the vehicle not starting when turning the key first, and troubleshoot from there. Way too much guess work going on with your vehicle.
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