Engines still runs after turning it off?

1978 MG MGB
50,000 MILES • 4 CYL • 2WD • MANUAL
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JIM. PHILPOT
  • MEMBER
  • 1 POST
When I shut the car off the engine runs on.
Jun 23, 2021 at 5:19 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,594 POSTS
I would remove the wires from the alternator to see if it still runs, you can have a leaking diode backfeeding the system. Let us know what happens and please upload pictures or videos of the problem.
Jun 24, 2021 at 8:09 AM
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