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I changed out the computer and now the car won t start

Customer Question
I changed out the...

I changed out the computer and now the car won t start Saturn L300 2003

Mechanic's Assistant: Have you checked the battery, particularly the terminal connections? Are they corroded?

Yes

Mechanic's Assistant: Are you fixing your L300 yourself? What have you tried so far?

My service eng. lite is on. I took it to a mech. shop and he changed out the computer.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

It will only respond to the original computer.

Submitted: 10 months ago.Category: Chevy
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Answered in 3 minutes by:
10/6/2017
Chevy Mechanic: Ron, ASE Certified Technician replied 10 months ago
Ron
Ron, ASE Certified Technician
Category: Chevy
Satisfied Customers: 38,840
Experience: 35 years experience with ASE Certs
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Hello. My name is ***** ***** I am happy to assist you today. Give me just a moment to review your post, and I'll be right back with the help you need.

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Chevy Mechanic: Ron, ASE Certified Technician replied 10 months ago

When you changed out the computer did you have it programmed for your car?

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Customer reply replied 10 months ago
a mechanic put in the new computer
Chevy Mechanic: Ron, ASE Certified Technician replied 10 months ago

Any time a new computer is installed it needs to be programmed for your car, when he installed it did he program it for your car?

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Customer reply replied 10 months ago
he said he had it programed
Chevy Mechanic: Ron, ASE Certified Technician replied 10 months ago

Well if it will respond to your old computer but not the new one then its either defective or the programming is not right.

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