Security Light Stays on and won't start until it shuts off

Asked by May 12, 2017 at 01:26 AM about the 1998 Pontiac Firebird

Question type: Maintenance & Repair

I have a 1998 Pontiac Firebird 3.8V engine with manual transmission.
Sometimes it won't start so I'll have to wait about 3 minutes until the Security
light goes out on its own. Then it may do it again or start. I have replaced the
ignition switch and the problem happened before that and after, but now it
seems more frequent. Not sure if its the key (happens with both keys) so not
sure if key chip is worn? Any ideas? Is it the key? the ignition switch?  I saw
somewhere someone say "reset the relay switch??? If the key, where do I
get a new one?

4 Answers

83,315

If it doe,s this randomly,meaning as you say,your ecm is bad,if it were key or antitheft issue it just would not crank at all not just sometimes and not sometime,have the ecm checked.

1 people found this helpful.

Yes it is random. What does ecm mean? Thank you for your reply!

7,765

Engine Control Module or sometimes called an Electronic Control Module because it is a circuit board (ECM). My 91 vehicle gave me the same list of odd ball problems and a few others. Worked my way through ignition parts and then had it diagnosed at my local shop as the ECM and all is well after its replacement.

1 people found this helpful.

Thank you!

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