Engine cranks but will not stay running?

1986 BUICK REGAL
24,000 MILES • 3.5L • V8 • 2WD • AUTOMATIC
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SUE MARCUM
  • MEMBER
  • 6 POSTS
Put a little gas in the carburetor and it hits but won't run. Runs just second and shuts off.
Sep 12, 2022 at 6:19 AM
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JACOBANDNICKOLAS
  • Experienced Mechanic
  • 110,240 POSTS
Hi Sue,

You have already identified the problem. It is certainly fuel related. If I recall, in 1986, these vehicles had a mechanical fuel pump. If you follow the fuel line from the carb, it will lead you to the pump. If it's fuel-injected, it's a different story.

Here is the issue. In 1986, it appears the vehicle could have come with either an electrical or mechanical fuel pump. Does the vehicle truly have a carburetor or is it fuel injected?

Let me know.

Joe
Sep 12, 2022 at 12:23 PM
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