There is a problem with the factory security system. I hate to say, but the only place that has the proper test equipment is a dealer. If the light is staying on, it won't start.
Jul 11, 2010 at 4:04 PM
ERAMSEY
MEMBER
1 POST
I have Ford Explorer 2004 and the security light flash really fast but it won't start
Dec 27, 2017 at 11:49 PM
STRAILER
✓Experienced Mechanic
55,548 POSTS
Hello,
The security system is engaged here is a guide to help you see how to reset it