On a 1986 Buick Electra, the Manifold Absolute Pressure (MAP) sensor is typically located on or near the intake manifold, often mounted to the firewall or the intake itself. It is usually situated near the throttle body or air intake system. Look for a small, cylindrical or rectangular device with an electrical connector attached to it. If you're having trouble finding it, consulting the vehicle's service manual can provide specific details and diagrams.
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