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Old 08-25-2006, 04:45 PM   #1
setandreel
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fuel pump

Hey all
I have a 87 v10 silverado 350tbi I have a rough idle and have changed every sensor on it checked all vacumn lines it just idles rough, runs fine down the road and I am out of ideals? could it be the fuel pump? and are there a fuel pump in both tanks? I can use any help
Thanks Mike
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Old 08-27-2006, 01:31 AM   #2
Slonaker
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Re: fuel pump

You might have a vacuum leak. Spray carb cleaner in small bursts around the perimeter of the intake and where the TBI ttaches to the intake. If it speeds up, it has a vacuum leak. You might also check for leaks around the EGR valve. Mine had a bad vacuum leak there once.

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Old 08-27-2006, 10:08 AM   #3
f.monroe
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Re: fuel pump

There are many things that can cause a rough idle but have you cleaned or changed the EGR valve ? Just a thought . Frank
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Last edited by f.monroe; 08-27-2006 at 10:08 AM.
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Old 08-28-2006, 10:17 AM   #4
setandreel
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Re: fuel pump

Thanks guys it was the EGR
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