Anyone wanna help with surging Files included

[Dirk Diggler]

Log File
Tun File


Looking at the logs i can see my iac counts are to low. My afr/ve table is spikey because i havent smoothed it as yet and left it be. The ve tables is results of the log attached in the post and is derived from a calc pid (Actual/Commanded). I appreciate any help I have been fighting with this surging for weeks now and cant seem to get it together. Ive tried everything but to no avail.

All my idle learn params are +4--4 to give the PCM a reasonable window to learn

[John Skiba]

Detailed mod list?

[Dirk Diggler]

Lsx 90/NW 90
230 232 595 585 110 +0
Racetronix 32 lbs/hr injectors
12 bolt 4.33
UD Pulley
Open Loop SD tune (no maf in system)

[bink]

Dirk - did you get the asa file I sent?
Cheers,
joel

[Dirk Diggler]

Yes thanks. I dont have edit edit installed anymore its on a remote drive that isnt hooked up ATM

[bink]

Oh..sorry.

Have you tried idling with stock injectors?? I'm sure you've said so but I can't remember :? ?

[bink]

Where is the timing coming from?

Seems like it falls on it's face when the pcm throws +30* of timing at it - at idle?

EGR Spark ( I know nothing of EGR)??

Your DYNAIR...g/cyl....values show much lower timing values in the general spark tables ( < 30*).

[bink]

Log your DYNAIR g/sec and the IACDES g/sec - they should be close in value for all temp ranges ( see Joe and Nick's Idle Tuning Thread). I think this keeps the Adaptive Idle routines within their limits - I might be wrong.
It's important on YBods/ETC.

Seems like your IAC steps surge/cycle more above 20*C -> exported log.

Mail Sent.

[Dirk Diggler]

Also my tps sensor may be wacked a little. NW commented it wasnt snug on the shaft as it should be maybe this is where the extra timing and stuff is comming from. My tps reads .4% and .4 volts at rest

[Dirk Diggler]

here is my gm/sec iac des @ 177 and 198

8.798338,	8.874839

here is my dyncylair @ 177 and 198

13.808468,13.928712

and here is how i figured out gm/sec using dynclyair


Grams/s = ({GM.DYNCYLAIR_DMA}/15)*{SAE.RPM}