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#1
05-24-2004, 02:12 PM
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91' 5.7L starts then dies, pls help
I have a 1991 silverado w/5.7L and after startup it will run for about ten seconds then sputter and die. Upon attempting to start again, it only turns over, occasionally firing but won't run. Just returned from 400 mile trip, ran excellent the whole time, recently changed cap, rotor, plugs, wires, belt and fuel filter. Any help would be appreciated.
JSH 
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#2
05-24-2004, 02:25 PM
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Re: 91' 5.7L starts then dies, pls help
something with air Check the intake, intake manifold, throttle body but something is not letting it breath right
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#3
05-24-2004, 08:02 PM
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Re: 91' 5.7L starts then dies, pls help
Quote:
__________________
**1966 Chevy II**  355 SBC, Turbo 400, 5.13 gear, IHRA Certified to 8.50 in the 1/4 Last Race (10-6-07) So its been awhile... Dial: 6.77, RT: -.0001, 60': 1.4360, 1/8th: 6.7942 @ 100.65 mph Fastest Pass of '07 (10-6-07) 60': 1.4360, 330': 4.3453, 1/8th: 6.7942 @ 100.65 mph 25 and in BIG TIME Debt Crew member #2  Deuce's Wild Racing: Take a Ride on the WILD SIDE 
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#4
05-24-2004, 09:09 PM
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Don't go throwing parts at this unnessacarily. First start with the simple things. You need Fuel, Air, and Spark for combustion. When this is happening, you need to check for these things. First crank the motor over and let it die as you say it does. dump some gas in the throttle body and crank it, if it fires and burns the gas out then dies, I would bet $100 on the fuel pump. Mine on my Silverado just up and died after a long trip!
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Matthew Brough  1997 Geo Prizm -- 301,000 miles 2000 Honda Accord -- 225,000 miles 2004 GMC Yukon XL -- 223,000 miles 1987 Jeep Comanche -- 116,000 miles 
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