Question about 2000 GMC Jimmy

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When i turn over the ignition it starts for a second then dies. why?

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The problem is the passlock .This system allows starter operation,then kills the injectors 1-2 seconds after startup.The key cylinder housing has a small magnet that rotates past the passlock sensor.The sensor is powered and detects rotation.This is a Anti-Theft System for 2000 jimmy

Posted on Jan 20, 2011

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