Bad Tuning

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06-21-2010, 07:01 AM

#21

NA6C-Guy

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Quote:

Originally Posted by edwardsuen

Started to re-tune a brand new map again

(Manually)

That's gonna be your best bet.

06-22-2010, 11:33 AM

#22

edwardsuen

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Here is the new map, but anybody knows why the rpm needle drop to "0" and re-bounce back to normal rpm once I release the gas pedal?

06-22-2010, 11:37 AM

#23

Braineack

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grounding problem? notice all the red vertical lines on your log that say "time gap" no log entries for X seconds" you have comm port issues for sure at least.

06-22-2010, 11:49 AM

#24

edwardsuen

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Thanks! I will re-gound the mspnp..

And this only happens when droping from high rev releasing the gas pedal, any other time will never happen..

06-22-2010, 01:51 PM

#25

steelrat

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Quote:

Originally Posted by edwardsuen

Thanks! I will re-gound the mspnp..

And this only happens when droping from high rev releasing the gas pedal, any other time will never happen..

Just to be proactive, might want to check the grounds out by the TPS too.... just to be safe....

Dave,

06-22-2010, 01:56 PM

#26

jbrown7815

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Quote:

Originally Posted by ScottFW

That is far and away the most FUCKED UP VE TABLE I have ever seen posted on this forum, and we've had some doozies. I literally LOLed at the 3000 rpm column... 10 @ 41 kPa, 162 @ 55 kPa. I could generate a better table by randomly clicking the mouse on different cells while rubbing my flaccid ***** back and forth across my keyboard's number row.

Start over with an appropriate base map from mspnp.com. That will have sane ignition table scaling and a VE table that's not an abortion. Then tell us what software/methods you are using to tune. You do have a wideband O2 gauge, yes?

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