Question about 2005 Pontiac Sunfire

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98 pontiac Sunfire shuts self off

My 98 Sunfire starts and runs for 5 seconds than shuts itself off, i have ruled out fuel pump, fuel filter, sensors all o.k., replaced fuses that were burnt out, put the code reader on it, all ok. the only thing that i can think of is the theft light is on, could this be causing the problem. Do i need a new tumbler and ignition?? please help, any suggestions.

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Did the key fix the problem

Posted on Mar 23, 2013

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You might not need a tumble, the sys is controled by the key, and transponder, and the ecm. Most auto locks smiths can come out and check the system, might just need a key re-programed

Posted on Nov 14, 2008

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