1997 Buick Skylark car will not crank and anti theft light

1997 BUICK SKYLARK
170,000 MILES • 4 CYL • FWD • AUTOMATIC
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EMMETT68
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This Auto is driveing me crazy! Some times the engine will start every time when I take it to a mechanic but after I leave it starts not cranking and the anti theft light flashes.but according to the manuals it doesnot have an antitheft device on it. What should I check on this auto? I don't have any pictures of it and right now I don't want any!

Going Crazy in NC
Jun 18, 2008 at 10:18 AM
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2CARPRO JACK
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The anti theft wont keep it from cranking, it shuts down fuel pressure.Next time the light is flashing , try this
GM PASS LOCK RELEARN- Ignition to "run" position, try to start and let key return to "run" position
Approx ten minutes security light will go off
Turn key "off" and wait 5 seconds
Repeat 2 more times for a total of 3 relearns.
Turn key off, then start it
Jun 20, 2008 at 7:39 AM