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87 GTA Security / Vehicle Theft System

OHIO TA

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Nov 19, 2021
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My car starts running for three seconds, then shuts off.

A mechanic friend states the car is showing a security code. He thinks the ECM is shutting off injectors due to this.

This car is 1987, so it is not equipped with a vat system that requires a chipped key.

What type of security system was used in 87?

I need info to fix or bypass the security.

Any help would be great.