High idle then low idle then die

1994 CHEVROLET SILVERADO
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CSHAPLEY
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The truck will high idle then idle low then die when I try to give it gas. Its also running rough. Am thinking it might be my full injectors or throttle body. I really don't wanna replace these until am sure that's the problem
Sep 10, 2013 at 5:15 AM
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HMAC300
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spray choke cleaner at the base of the tbi unit as the gasket may be blown. if rpm changes or smooths out it is. check fuel pressure as well.and scan for codes.
Sep 10, 2013 at 5:44 AM
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CSHAPLEY
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I also took off the blower on top and turned it over ans flames came out the carb/ fuel injector
Sep 10, 2013 at 6:05 AM
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HMAC300
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just do what I said in the reply you don't have a blower on your truck
Sep 10, 2013 at 6:17 AM