Just replaced key cylinder and car won't start

Asked by Dec 27, 2014 at 05:38 PM about the 2002 Chevrolet Impala LS

Question type: Maintenance & Repair

2 Answers

20,160

Is the key chipped? Look at the hilt of the old key and see if it has PK3 stamped into it. If it does then the new key will have to be programmed to the car. Does it try to turn over?

4 of 4 people found this helpful.
70,255

Unless this is a retired police car you have a transponder key. The new key that came with the replacement lock cylinder will not start the car until it's programmed to the car. Check with your local Chevrolet dealer. I believe that your car is under factory recall for this. Either way you'll need to have them program the new keys to the car. HTH. -Jim

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