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Old 11-23-2011, 08:42 PM   #1
1986c10
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Join Date: Apr 2010
Location: Vicksburg, Mi
Posts: 323
2000 5.3 silverado hard starting

Hi, my buddy has 2000 chevy with a 5.3 185k miles on it that takes 4-5 seconds of cranking to get it started and it stumbles a tad then idles normal. He replaced the fuel pump and fuel filter. Starts up fine i guess when its cold but not good when its warm??? A person autozone said the fuel pump still could be bad... Anyone got any suggestions? were stumped haha. Thanks in advance.
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1979 C10 - swb, mild 327, restoration project
1979 Mustang - Turbo 5.3 / 4l80e
1976 K20 - Mild 396, 6" lift, 35's - sold
1986 C10 - lwb vortec 355- sold
1982 C10 - swb project- sold
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