Why does your 86 fiero run for a while then start to sputter then stall?

Your 1986 Fiero may be experiencing issues due to a few common factors. Potential causes include a failing fuel pump, which can lead to inconsistent fuel delivery, or a clogged fuel filter that restricts fuel flow. Additionally, problems with the ignition system, such as a malfunctioning ignition coil or spark plugs, can cause sputtering and stalling. It's advisable to check these components to diagnose and resolve the issue.