Buick Repair Questions? Ask a Mechanic for Answers ASAP
Hello, my name is ***** ***** I'm here to help get your problem solved.
Have you tried the 30 minute relearn?
Here is the 30 minute relearn, let me know how it goes. Yes you do bump key in start position each time. Let me know, thanks.
Cam sensor wouldn't effect spark and either would security system so it sounds like either problem with ignition module or crank sensor. Parts store can test ignition module.