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1995 K1500 z71 gets to half throttle then falls on its face! HELP!

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Old January 28th, 2012, 7:09 PM
  #11  
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hi, check to see if it has a EGR Valve and if it does it has a EGR Vacuum Selonoid. Unplug the vacuum selonoid that may work.
Old January 29th, 2012, 5:04 PM
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Wierd. i tested fuel pressure\. its all fine. replace spark plugs still does it. i leave outside and it gets down to -30 it starts right up and it runs fine. but if i leave it in the garage in a warm climate runs absolutley ****ty. crack in the fuel pump?
Old February 3rd, 2012, 8:34 PM
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so when i unpleg the selenoid it runs exactly like it does when i let it sit in the garage.. but i plug it back in and it runs fine if its been sitting in the cold..
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