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Old 10-21-2010, 12:52 PM
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So just got my car back from the tuner. The idle has been acting a little weird. And sometime when idling long enough it will throw the p0300 missfire code. The tuner said the MAF was reading odd when at idle and slight throttle. I have a d1sc procharger on it with the procharger surge valve located a foot after the blower. The tuner said it seems as though the surge valve isn't opening up all the way making the MAF read off. What do you think?
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Old 10-21-2010, 04:01 PM
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Originally Posted by tranb000
So just got my car back from the tuner. The idle has been acting a little weird. And sometime when idling long enough it will throw the p0300 missfire code. The tuner said the MAF was reading odd when at idle and slight throttle. I have a d1sc procharger on it with the procharger surge valve located a foot after the blower. The tuner said it seems as though the surge valve isn't opening up all the way making the MAF read off. What do you think?
I think that is should have been tuned in speed density. What is the vehicle? some are more difficult to tune in SD than others.
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Old 10-21-2010, 05:29 PM
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It's a 99 trans am with ls1 with stock throttle body and stock mass air flow sensor.
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Old 10-21-2010, 05:43 PM
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Originally Posted by tranb000
It's a 99 trans am with ls1 with stock throttle body and stock mass air flow sensor.
No reason not to tune it in speed density IMO.
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Old 10-21-2010, 07:32 PM
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I'm pretty new to this, what is speed density.
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