Q: the security light keep flashing,wont start keeps flooding fuel pump works, on 2002 GMC Envoy

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
new fuel filter, and electronic control module.the blazer runs when put starting fluid in there then dies out again.
i have a feeling its the security system. i am unsure how to reset it
(1) Answer
Cant be flooding, if it has good fresh gas and not starting because it isn't getting any gas!! If starting on spray then stalls,, fuel pressure test is needed. All this is based on your statment that the fuel pump is working. VATS (security) usually keeps pump from running.
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