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Re: car keeps dying
I believe the "green key" light your seeing is a security / theft system that has been activated. I would strongly recommend contacting the dealer for more information if your owners manual doesn't clarify this for you. Hope this helps.
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Anti-theft system can keep vehicle from starting , Alarm is for vehicle content theft , open door without key alarm sounds (horns) ! PATS - passive anti theft system PATS enables and disables the engine from starting ,it will not cause the engine to die ! You have some other kind of problem ! If the vehicle engine doesn't turn over an red light on top of dash flashes fast ,then you have anti-theft system problem !
PATS differs from the perimeter anti-theft system in that PATS enables and disables the engine from starting. If equipped, the perimeter anti-theft system protects the perimeter of the vehicle (doors, hood and trunk) and sounds an alarm.
The warning lights on the dash will come on when the engine dies. If it dies and starts up like you turned the key it could be a relay or other electrical problem. May be tough to find if you can't test components while it is not starting. I assume the check engine light is not on when the engine is running.
When the engine dies do the accessories such as radio, lights, heater all die along with the engine; or do they keep running as they were prior to the stall?
If they all quit together (as if the key was shut off) I would check the electrical part of the ignition switch or the battery cables and connections (check both ends of cables and little ground wire near battery that connects to car body). The ignition switches are a well known culprit in the s10's.
If the radio and lights keep running after the stall, I would look at the crank position sensor, ignition coils etc.
the battery says 12 volts but may be dropping to 4 or 5 under a load...i would suggest jumpstarting the car and see what happens.the battery should read in the high 12 volts and not less than 9.5 under cranking. the dash lights go out on your car when starting,and the alarm will go off ,and disable the ignition if the voltage is too low in cranking the car because the computer will shut it down and activate the anti theft.....check your battery posts are tight. best of luck
check along bottom edge of dash cover for screws, sometimes there are a few at the top as well...generally once they are removed the dash face will pop off with moderate pulling. Once off, you can access the light switch easily. (you may need to remove the lower cover to locate dash screws)