99 cavalier cranks from starter but wont stay on ,new fuel pump

Asked by 99cavalier Oct 17, 2020 at 12:09 PM about the 1999 Chevrolet Cavalier Coupe FWD

Question type: Maintenance & Repair

Cranks ,starterfluid starts then dies

3 Answers
120

TheStern1975 answered 4 years ago

This is a very common problem on GM vehicles. The security system is notoriously known to fail. Basically when you insert your key, the system checks for a certain signal. If the system cannot get the correct signal from the key, it assumes the key is incorrect or you are attempting to hotwire it. The system then goes into SECURITY lockout mode. (prevents vehicle theft) This will either turn off the starter, or the fuel injectors. This has been happening with GM's for a very long time. There are ways to bypass this now. Read through these pages for info, solutions as well. Google these for info diy-gm-security & newrockies

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