yes
To reset the anti-theft on a Ford F150 1999, put the key in the ignition. Turn the key halfway and leave it in that position before starting the car.
You leave the stolen car at the police impound lot!
take the truck to your local ford dealer. they can hook up their scan tool and read the code.
without it the security lite will start blinking fast and the motor will only spin over but not crank
Follow this link - http://underground-secret.com/ford_keyless_entry_code.html
it should be located in your owners manul if not it tells you in your owners manul how to make a pass word.
If you have the old key or the old cylinder in your hand, you can get a locksmith to decode it. If not, you have to go to a GM dealer.
I believe you have to turn the ignition to the run or accesory position if the alarm is sounding , and if the alarm is armed but not " tripped " , unlocking the door with your key disarms the alarm
with a key
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
No