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having idle and decel issues...not sure whats up. any ideas?

This is a discussion on having idle and decel issues...not sure whats up. any ideas? within the External Engine forums, part of the LSx Technical Help Section category; did u bother replacing the sensors on the throttle body yet?...

  1. #21
    Senior Member ninobrn99's Avatar
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    did u bother replacing the sensors on the throttle body yet?

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    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    did u bother replacing the sensors on the throttle body yet?
    Ugh....which sensors....Not good with the technical stuff. IAT sensor you mean?

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    Senior Member ninobrn99's Avatar
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    iac and tps

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    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    iac and tps
    Haven't changed. Guy who did install said he swapped out TB with another nad it didn't change, but that was pre LS6 removal.

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    Senior Member ninobrn99's Avatar
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    ah ok. then that saves me some money so its not the tb, not the maf, not the intake, not the oil......have we eliminated anything else?

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    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    ah ok. then that saves me some money so its not the tb, not the maf, not the intake, not the oil......have we eliminated anything else?
    Maybe a minor leak somewhere letting air in at some point? Wouldn't any unmetered air cause a dip?

  7. #27
    Senior Member ninobrn99's Avatar
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    or lack there of. if it was unmetered air, id be able to see my ltrims be different on one bank vs the other. i got a new wideband and still need to install it, so i guess that'll tell me for sure. i have two bungs welded so i can put the wb in the driver or pass. side.

  8. #28
    Senior Member Hurley711's Avatar
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    I think we started a Sat night train here

  9. #29
    Senior Member ninobrn99's Avatar
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    haha... for us. im about to bounce though. we're going out for a bit. im gonna keep thinking about it though. talk to ya later.

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    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    haha... for us. im about to bounce though. we're going out for a bit. im gonna keep thinking about it though. talk to ya later.
    12:30 AM here, guess it's bedtime

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    Senior Member ninobrn99's Avatar
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    are you leaking any oil from the front cover? when u did the cam install, did u change your timing cover gasket? i know mine is leaking a bit. could it be possible thqat the compression is leaking?

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    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    are you leaking any oil from the front cover? when u did the cam install, did u change your timing cover gasket? i know mine is leaking a bit. could it be possible thqat the compression is leaking?
    So much for me going to bed. Ugh....hmm....well new LS6 oil pump was installed, also LS2 timing belt while he was in there. plus all new gaskets.....no oil leaking

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    Senior Member ninobrn99's Avatar
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    then there goes that idea. then what the hell does that leave? maybe the header gaskets? i mean, mine are new, but they could be leaking, but i wouldnt think that it would cause the dip.

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    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    then there goes that idea. then what the hell does that leave? maybe the header gaskets? i mean, mine are new, but they could be leaking, but i wouldnt think that it would cause the dip.
    Headers should have nothing to do with it. Wonder if it's a tuning issue that needs a skilled tuner to iron out.

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    Senior Member ninobrn99's Avatar
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    id say the mike and bill both are. i feel it is something mechanical. what crank pulley do u have? u/d or stock?

  16. #36
    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    id say the mike and bill both are. i feel it is something mechanical. what crank pulley do u have? u/d or stock?
    stock....gotta remember, Bill tried to tune mine while the LS6 was still onthere wreaking havoc with unmetered air. I don't want to shell out the $600 he charges for tunes now that he has a bigger business going.

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    Senior Member ninobrn99's Avatar
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    i know. i do my own tuning for that reason.

  18. #38
    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    i know. i do my own tuning for that reason.
    what program? Mess with all those aformetined tables? VE and RAf and throttle cracker and shit? What tuner you using?

  19. #39
    Senior Member ninobrn99's Avatar
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    i do mess with all those tables and i use hpt. bill and mike both help me out alot. ive learned from them as well as other hpt users

  20. #40
    Senior Member Hurley711's Avatar
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    Quote Originally Posted by ninobrn99 View Post
    i do mess with all those tables and i use hpt. bill and mike both help me out alot. ive learned from them as well as other hpt users
    Go back and look at that thread, Jimmyblue posted a HPTuners tune that he said corrected the problem for another customer. Maybe you could slap that on there and see if it takes.

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