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Thread: Help with surge on 98 3800 project

  1. 03-16-2015 #1
    Gbgn1
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    Help with surge on 98 3800 project

    Idles generally very good but after a good rev it sometimes has a hard time stablizing. This is in closed or open loop with afr's 11.5 -12.5. so not lean at this point. Any tables I need to look at?

    Thanks
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  2. 03-16-2015 #2
    PWNED
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    Sounds like your IAC valve needs a cleaning
    02 Regal GS
    ZZP Headers/ 42#/ Intake/ S4 zzp sc/ Ported Lim/ LQ4/ HPT/ 3" to SuperTurbo/ Phenolic IC with 2.8 pulley/ XP/ Ported Heads
    PB-------12.3 @ 110.......312hp/350tq
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  3. 03-16-2015 #3
    Gbgn1
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    Could be!
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