Question about 1998 Chevrolet C1500

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I have a 1999 chevy conversion van 1500 express that starts but turns right off changed fuel pump and relay but still the same looked at dashboard shows security light blinks on and off but when starts for the secound thwe light blinks on and off

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I have 1999 chevrolet van i want to know how to disconnect my secruity on it

Posted on Oct 29, 2011

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First if you have a chiltons manual check the troubleshooting /diagnostic codes. Check fuel filter. check the codes for the computer. sounds like the computers sending back a kill engine order.

Posted on Jul 09, 2009

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