LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Weird Idle Problem

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Old 05-14-2006, 09:26 PM
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Default Weird Idle Problem

so me and my buddy just got finished putting an new opti and water pump on my 93 LT1 and the sucker fired right up for a few seconds. a weird hissing sound started (like sucking air) and whenever i tried putting some throttle on it died.
just wondering if anyone else has experienced this problem before. some feedback would be appreciated
Old 05-14-2006, 11:55 PM
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check for a vaccum leak from the opti to the intake. check all sensor connections MAF, and throttle body. check that all plug wires are secure.
Old 05-15-2006, 12:03 AM
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Vaccum leak huh? What line would cause that from the opti to the intake? Its a 93 there is no MAF.

Justin tommorow were gona try some tricks up my sleeve to get her going again.




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