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Re: Blazer hard start when engine warm
What year and what engine?
If you are getting misfire codes you need to keep working on that end.
Does the scanner pinpoint what cylinder is misfiring?
But I would also run a good fuel pressure check on it.
Hook a gauge to outside of mirror or windshield and watch fuel pressure when running and when you shut it off and try to restart.
Post back fuel pressure readings and watch for a fast leak down when shut down.
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Remember proper testing gives us the answer to many problems.
MT
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