2000 buick lesabre 3800 .. runs for 1 second then stalls
battery was replaced .. after a few minutes engine stalled .. starts every time but only runs for 1 sec. plus .. spark tester shows spark to the last round the engine runs .. fuel pressure shows 48 lbs even after engine stops .. shows maf circuit and map sensor error codes .. runs good until it stalls .. thanks
Anytime the power is interrupted the security system kicks in, try running the disarm procedure listed in the owners manual, if that doesn't work then it is likely that one or more of the door switches are not sending the correct signal, a professional will have to test the system to find out what one it is.
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