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Top 2GNT Technical Performance/Engine Engine Management Systems & Controllers topic #1
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Subject: "RE: Up and running!" Previous topic | Next topic
Teamner947Feb-23-05 08:30 AM
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#358, "RE: Up and running!"
In response to In response to 28
Feb-23-05 08:32 AM by ner947



          

Originally posted by XtremeRS
Excellent...One more question.. I'm doing like what NER is doing, by taking out the stock IAT and putting the GM one in it's place..Does the stock ECU need the IAT sensor at all? It will prob need the coolant temp though, as it has an effect on idle speed when cold, right?


My stock ECU is still controlling my IAC, and I haven't noticed anything weird with my idle at all.

I'd imagine that if the IAT sensor had a very high or very low impedence (completely disconnected or shorter) the stock ECU would fall back onto a "safe" spark table that doesn't produce any power at all, that's why I connected a resistor to it to make it think that it's "room tempature" so that the spark table remains "advanced". I haven't tested this theory yet, I can't find my OBD2 datalogger, so at the moment I have no idea what my spark advance looks like. Then again, maybe the ECU tweaks out if the coolant or intake tempature values don't change at all.


2016 WRX STi Limited (current)
2001 A4 1.8tqms (donated)
1991 GVR4 #1933 (sold)
old.dsmregistry.com/detail.php?carid=218 (dismantled)

  

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Megasquirt stuff... Looks like I'm almost ready. [View all] , Teamner947, Feb-22-05 07:18 AM
  RE: Megasquirt stuff... Looks like I'm almost ready., grain, Feb-18-05 02:00 PM, #1
RE: Megasquirt stuff... Looks like I'm almost ready., RxR_Eclipse, Feb-18-05 07:00 PM, #2
      RE: Megasquirt stuff... Looks like I'm almost ready., TeamDR1665, Feb-18-05 09:28 PM, #3
      RE: Megasquirt stuff... Looks like I'm almost ready., baxsom, Feb-19-05 04:22 AM, #4
      RE: Megasquirt stuff... Looks like I'm almost ready., Ready4Dis, Feb-19-05 06:20 AM, #5
           RE: Megasquirt stuff... Looks like I'm almost ready., TeamXtremeRS, Feb-19-05 07:59 AM, #6
                RE: Megasquirt stuff... Looks like I'm almost ready., djtrickee, Feb-19-05 08:14 AM, #7
                     RE: Megasquirt stuff... Looks like I'm almost ready., RxR_Eclipse, Feb-19-05 08:37 AM, #8
                          RE: Megasquirt stuff... Looks like I'm almost ready., TeamXtremeRS, Feb-19-05 10:35 AM, #9
                               RE: Megasquirt stuff... Looks like I'm almost ready., TeamAvenger, Feb-19-05 10:59 AM, #10
                               RE: Megasquirt stuff... Looks like I'm almost ready., BOOSTED ECLIPSE, Feb-19-05 11:44 AM, #11
                                    RE: Megasquirt stuff... Looks like I'm almost ready., freddy_00_69, Feb-19-05 03:59 PM, #12
                                         RE: Megasquirt stuff... Looks like I'm almost ready., DSMHybred, Feb-19-05 06:57 PM, #13
Up and running!, Teamner947, Feb-20-05 04:39 PM, #14
RE: Up and running!, TeamXtremeRS, Feb-20-05 04:47 PM, #15
      RE: Up and running!, Teamner947, Feb-20-05 05:31 PM, #16
           RE: Up and running!, widebodyeclipse, Feb-21-05 03:57 AM, #17
                RE: Up and running!, MrSlick, Feb-21-05 10:33 AM, #18
                     RE: Up and running!, TeamXtremeRS, Feb-21-05 12:51 PM, #19
                          RE: Up and running!, MrSlick, Feb-21-05 02:51 PM, #20
                               RE: Up and running!, Teametx, Feb-22-05 08:37 AM, #21
                                    RE: Up and running!, Teamner947, Feb-22-05 09:42 AM, #22
                                         RE: Up and running!, TeamXtremeRS, Feb-22-05 12:38 PM, #23
                                              RE: Up and running!, MrSlick, Feb-22-05 02:42 PM, #24
                                                   RE: Up and running!, TeamXtremeRS, Feb-22-05 04:27 PM, #25
                                                        RE: Up and running!, MrSlick, Feb-23-05 03:35 AM, #26
                                                             RE: Up and running!, Teametx, Feb-23-05 05:57 AM, #27
                                                                  RE: Up and running!, TeamXtremeRS, Feb-23-05 06:06 AM, #28
                                                                  RE: Up and running!, Chamuko, Feb-23-05 06:33 AM, #29
                                                                  RE: Up and running!, MrSlick, Feb-23-05 07:08 AM, #30
                                                                  RE: Up and running!, Teamner947, Feb-23-05 08:30 AM #32
                                                                  RE: Up and running!, Teamner947, Feb-23-05 08:25 AM, #31
                                                                       RE: Up and running!, TeamXtremeRS, Feb-23-05 12:57 PM, #33
                                                                            RE: Up and running!, Teametx, Feb-23-05 02:16 PM, #34
                                                                                 RE: Up and running!, Teamner947, Feb-24-05 06:47 PM, #35
                                                                                      RE: Up and running!, Teamdougie2, Feb-24-05 07:08 PM, #36
                                                                                      RE: Up and running!, Teamner947, Feb-25-05 05:07 AM, #37
                                                                                           RE: Up and running!, Global Ruler Of All ThingsDarkOne, Feb-25-05 06:39 AM, #38
                                                                                                RE: Up and running!, AdministratorStar Turbo Talon, Feb-25-05 11:32 AM, #39
                                                                                      RE: Up and running!, ForceFed, Feb-25-05 01:43 PM, #40
Got ignition working., Teamner947, Mar-01-05 03:09 PM, #41
RE: Got ignition working., MrSlick, Mar-02-05 01:43 AM, #42
      RE: Got ignition working., Teamner947, Mar-02-05 10:58 AM, #43
           RE: Got ignition working., DSMHybred, Mar-02-05 12:20 PM, #44
                RE: Got ignition working., TeamXtremeRS, Mar-02-05 01:10 PM, #45

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