I have a 2003 Ford Thunderbird. It has been sitting all winter in the garage and I forgot to start it. Now, when I start it, it starts quickly then shuts down quickly and the horn blows.
The steering wheel moves, the door locks work, the dials on the dash work, but the
engine shuts down and the horn blows. I have charged the battery. What could it be?
The anti theft system maybe? If you have another key try that. There's a chip in the key that communicates with the onboard computer and other than the horn blowing, it sounds like that. One other trick is to disconnect the battery for about half an hour. That clears the ECU (computer) That last on the list.
I have the same problem my mechanic touched the neg cable to pos cable on the battery to shut the computer down and reboot its self still doesn't always start Seems if I put the key in and then push the unlock button on the key pad that will work three out of five times
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