Runs good until motor gets warm then shuts off without warning

1992 OLDSMOBILE NINETY-EIGHT REGENCY
68,000 MILES
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TRINA BURNS
  • MEMBER
  • 30 POSTS
The car cranks and runs good, but once you run it enough for the motor to warm up, it shuts off without any warning (check engine light does not come on). When the engine has had enough time to cool, it cranks and runs good. Several sensors and parts have been replaced.
Mar 16, 2019 at 12:02 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good morning,

When it shuts off, can you hear the fuel pump run?

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Does it have spark after it shuts off?

https://www.2carpros.com/articles/how-to-test-an-ignition-system

One of them is missing. Need to find out which system has the issue.

https://www.2carpros.com/articles/engine-stalls

What parts?

Roy
Mar 16, 2019 at 12:10 AM
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