2003 bonneville cranks but won't start/ security light flashing
30

Asked by IrishGirlMe86U Jun 23, 2018 at 12:25 AM about the 2003 Pontiac Bonneville SE

Question type: Maintenance & Repair

ok so my car hates me and Im starting to not like very much either. issue is I try
to start the car and it says screw you! it cranks and wants to start but it just
doesn't. I have replaced the battery, starter, battery cables and harness for the
ICM. it should start up like a champ! oh and my security light starts flashing
after every time I try to start it. ANY help or suggestion would be greatly
appreciated. im a single mom and really need my car working ASAP. thanks!

1 Answer
30

IrishGirlMe86U answered 6 years ago

Ok so I ended up replacing the crankshaft position sensor and in doing so I discovered the when I turned the pulley to break the bolt free my fly wheel was not moving. So I had someone turn the key to see what was and wasn't moving and found out my crankshaft itself is the problem. So off to the junk yard my car is gonna go. I'm sad to have to get rid of her but she does have 255,801 miles on her. She was a good car. :'(

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