What will cause poor idle at outside temp. Of 35 or colder?

Tiny
BOWTIE59
  • 2002 GMC TRUCK
  • 126,800 MILES

This a stock vortex 6000 motor in a 2002 GMC Denali Quadrasteer Ext. Cab 1500 with automatic transmission.

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Sunday, January 29th, 2012 AT 8:48 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER

-Check fuel pressure and also the IACV-start here

http://www.2carpros.com/articles/engine-misfires-or-runs-rough

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Sunday, January 29th, 2012 AT 8:51 PM

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