HELLO I HAVE A 2001 GMC SIERRA AND IM HAVING ...

  • Tiny
  • Heathbedore
  • 2001 GMC SIERRA
  • 200,000 MILES

Hello I have a 2001 gmc sierra, and im having problems with it starting. When started in the mornings it acts like its going to be fine but after 2 seconds into the start up it will idle high for a quick minute and then acts like its trying to die like sluggish, I have replace the plugs and wires, fuel filter, and have only cleaned the mass air flow sensor. Please help I would like to know what dirrection I should head next with keeping costs as low as possible. Thanks for your time.

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Thursday, February 21st, 2013 AT 4:40 PM

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  • Tiny
  • Hmac300
  • EXPERT
  • 45,647 POSTS

Scan for codes and check for vacuum leaks check fuel pressure as well

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Thursday, February 21st, 2013 AT 6:12 PM

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