Question about Mercury Mountaineer
You are going to need a new lock cylinder. There are no physical start lock outs, that is, there is no system in place to prevent you from turning the key to the 'start' position. There are only electrical lock outs, as in, even if you turn the key to start, it won't send the electrical signal to the starter. So, that would indicate a mechanical problem with the ignition lock cylinder itself. It will need to be replaced. Since you didn't post any detailed information about what model and year your Mercury is, I can't give you any idea about cost or difficulty of doing this yourself.
Posted on Mar 24, 2011
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Posted on Jan 02, 2017
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