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.

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

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 42,069 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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