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Generation III Internal Engine 1997-2006 LS1 | LS6
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wont idle without a vacuum leak

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Old 01-22-2011, 12:05 AM
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Default wont idle without a vacuum leak
info:

ls1 in my off road racer, howell harness,stockish computer,


fired it for the firts time since it was in my last car. idle really high, big vacuum port on back of intake right by map sensor was unplugged. plugged it back in and it would not start. unplugged it and it starts fine if i plug it dies.


anybody have any ideas
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Old 01-22-2011, 12:59 AM
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Possible faulty IAC valve?
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Old 01-22-2011, 10:07 AM
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where is th iac valve located, that is not adjustable right,

it was also running rich
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Old 01-22-2011, 10:13 AM
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ok so it is right above the tps, if i unplug and it does the same thing then it is faulty right?
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Old 01-23-2011, 10:45 AM
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anybody, help.
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