Engine sputters and shuts off

Tiny
ERIC REED
  • MEMBER
  • 2003 CHEVROLET VENTURE
  • 6 CYL
  • 2WD
  • 200,000 MILES
It runs engine gets warm it starts sputtering and start losing power, blows white and finally it quits running.
Saturday, July 6th, 2019 AT 11:10 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,480 POSTS
Welcome to 2CarPros. If you mean it is blowing white smoke out of the exhaust the most likely issue is a bad head gasket or failed intake gasket that is letting coolant into the engine. GM had issues with intake gaskets on some V6 engines over the years. Testing for a failed head gasket isn't hard and the tools are usually available as loaners from the parts store.
https://www.2carpros.com/articles/head-gasket-blown-test

Try those and see if it shows as a bad head gasket. For the intake gasket it depends on which engine it is.
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Saturday, July 6th, 2019 AT 12:15 PM

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