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Hard start, running rough?

Tiny
STEVEN G
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 4.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
Fuel pump pressure 60 PSI with key on. If you put gas in the throttle body and start the engine the pressure is about 50 PSI until fuel is used. If the engine is able to warm up for a few minutes, it may run badly or rough. Try to give it some acceleration and the engine will pick up a little and then shut off. There is a service engine light on and a security light on.
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Sunday, December 18th, 2022 AT 12:45 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,690 POSTS
These engines had problems with the spider injector. Can I ask what the codes are? This guide can help you retrieve the codes so we can help fix the car:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please go over this guide and report back.
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Monday, December 19th, 2022 AT 10:15 AM

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