Car shuts off once it has warmed up

Tiny
STEVEN SIDERS
  • MEMBER
  • 2001 BUICK REGAL
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Car starts and runs until it warms up, then it shuts off until cooled back down again.
Monday, July 22nd, 2019 AT 8:28 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi Steven,

This could be a couple of things so we need to start with a little more information. Do you know if there are any codes? Does it run rough while it is running?

I suspect it is either a sensor issue, fuel pump, or maybe a vacuum leak.

Here are a couple guides that walk you through these. Let me know if you have any codes and what you find with these tests.

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Tuesday, July 23rd, 2019 AT 4:11 PM

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