97 ford mustang theft light flashes car wont start let it set with key on after a little bit it will start
Dec 2, 2010 at 6:44 PM
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JACOBANDNICKOLAS
✓Experienced Mechanic
110,248 POSTS
Basically, when you let the key on for a period of time, you bypass the security system. I hate to say it, but it has to go to a dealer to be diagnosed. They are the only ones that have the proper test equipment to check it.