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2000 firebird supercharged ls2 408

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Old May 27, 2007 | 11:27 PM
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Unhappy 2000 firebird supercharged ls2 408

Hello everyone i need some help with this car its a ls2 408 vortec t trim supercharged deal i got it tuned and the car runs hard when you are on it but it idles like crap and when we hook it up to a scaner it shows no iac counts its like its not working and it will rev to like 5000 rpm can anyone please help me with this thanks
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Old May 28, 2007 | 01:52 AM
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Have you tried a known working IAC and checked the wiring to it?
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Old May 28, 2007 | 06:34 AM
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Originally Posted by BLACKSS02
Hello everyone i need some help with this car its a ls2 408 vortec t trim supercharged deal i got it tuned and the car runs hard when you are on it but it idles like crap and when we hook it up to a scaner it shows no iac counts its like its not working and it will rev to like 5000 rpm can anyone please help me with this thanks
Is this a MAF car or are you in SD? My car ran really well with the T trim and my 347. LMK.
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Old May 28, 2007 | 10:48 AM
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Originally Posted by BIG BAD BLACKSS
Have you tried a known working IAC and checked the wiring to it?
We tried two diffrent iac motor and check the wiring
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Old May 28, 2007 | 10:51 AM
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Originally Posted by JMBLOWNWS6
Is this a MAF car or are you in SD? My car ran really well with the T trim and my 347. LMK.
This is a maf car still
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Old May 28, 2007 | 11:34 AM
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Massive vacuum leak?
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Old May 28, 2007 | 11:36 AM
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What scanner are you using? Tech 2?
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Old May 29, 2007 | 10:29 AM
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Originally Posted by TS6
Massive vacuum leak?

could a massive vacuum leak do that has anyone had any problems with fast intakes leaking
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Old May 29, 2007 | 10:32 AM
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Originally Posted by JMBLOWNWS6
What scanner are you using? Tech 2?

my tuner guy i think was useing efi live but we tryed a snap on scaner and it was showing counts
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