Changed ignition and key and tumbler and
the anti theft light stays on not blinking and
car does not crank did the reset numerous
times still nothing
Gotta reprogram ECM for the new ignition and key. As it is now, your anti-theft is activated.
Thanks I've heard you had to then others said you didn't
Search Pontiac Sunfire Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Pontiac Sunfire Experts