1995 Pontiac Grand Prix security light

1995 PONTIAC GRAND PRIX
130,000 MILES • 6 CYL • 2WD • AUTOMATIC
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THERESAWILLIS101
  • MEMBER
  • 1 POST
my cars engine starts and stop and the security light flashes on and off. Do you know what could be wrong? please help!
Sep 9, 2009 at 7:06 PM
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MMPRINCE4000
  • ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
Reset the security system:

Turn key on
security light flashing
try to start and let go, leave key on
security light flasher for about 10 min
when it stops
turn key off and start car
key needed to be reprogrammed
happy driving after that,

in some rare cases you may have to do that 3 times total of 30 min.
Sep 10, 2009 at 8:17 AM
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