Question about 1998 Chevrolet Blazer

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How do i bypass key i d system on a 1998 chevy blazer

Engine rotates but wont stay running

Posted by Anonymous on

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  • Chevrolet Master
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The security, antitheft or lock picture/icon is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterprets this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle. This link explains it pretty well.

http://www.diy-gm-security.com/

Posted on Mar 31, 2015

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  • Chevrolet Master
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It's probably not the key issue. It is more likely fuel delivery system. Not enough pressure from the fuel pump, or blockage/s
somewhere in the system from tank to injector.

Posted on Mar 31, 2015

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Posted on Jan 02, 2017

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