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finally got my LS1 started!!! strange prob though...

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Old 09-29-2009, 08:35 PM
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you need a dyno tune.mail order tune is only a guess.
Old 09-29-2009, 11:33 PM
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could be the iac valve is stuck way open. try taking it off and cleaning it out. turn the key on and see if it is moving.
Old 09-29-2009, 11:51 PM
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WHATEVER YOU DO, DO NOT DRILL THE HOLE IN THE TB ANY LARGER THAN WHAT IT IS.... YOU CAN **** IT UP, THATS A BS WAY TO TRY AND FIX IT AND IT WILL NEVER WORK RIGHT!!!! Its 100% in your tune, Bring it to a acutal shop and get the tune looked at.... I had the same problem when i did my cam, I tuned it properly and now it runs great.... Do not listen to anyone that tells you to drill the hole.....
Old 09-30-2009, 01:00 AM
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Originally Posted by demonpixel
Two other people mentioned that it's probably the IAC also. Unfortunately I don't have anything like EFILive or HPTuners.
i know the diablo handheld can read it, that's how i ruled out my tps and IAC when i had the problem. other tuners probably can as well. see if you can find a member in your area with one.



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