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1977 Ford F150 idles real fast

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ROOFER85
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  • 1 POST
Interior problem
1977 Ford F150 V8 Four Wheel Drive Automatic

my truck started to idle real fast i have changed carbs i know the carb is good my question is can a egr valve make it idle fast and how can you cheak a egr valve thanks for aney help you can give me thank you
Dec 15, 2008 at 5:22 AM
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MIKE H R
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  • 3,094 POSTS
I woukld start by checking for any vacuum leaks. Can you idle it down with the idle control screw?
Dec 17, 2008 at 6:43 AM
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