 MegaSquirt and fuel pump control..., another fuel pump thread. |
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| RJMII |
 Jul 8 2009, 04:50 PM
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Jim McIntosh  Group: Members Posts: 3,125 Joined: 11-September 07 From: Sandy, Utah Member No.: 8,112 Region Association: None  |
Do any of you MegaSquirt users know of settings in MS that control the fuel pump?
It seems as if my fuel pump doesn't come on when it should. (the wiring is correct, I KNOW it isn't wiring, the board doesn't have any boviously visible trace issues, we have checked continuity through the whole system and it is either hardware issue or software) direct question: which settings for the MS will cause fuel pump issues? |
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| ghuff |
Jul 9 2009, 11:48 AM
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This is certainly not what I expected down here. Group: Members Posts: 849 Joined: 21-May 09 From: Bodymore Murderland Member No.: 10,389 Region Association: MidAtlantic Region |
Do yourself a favor and bypass the MS circuit entirely wire it so your fuel pump runs constant while the key is switched on.
This way you can get it running/started and then workout the bugs. I found this easer, like I said I eventually went back so my hall sensor signal activated it and etc but short term it was fine with fuel being pumped while the key was on and it not running. the injectosr being electric will nto open or leak unless they are damaged. |
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Posts in this topic
RJMII MegaSquirt and fuel pump control... Jul 8 2009, 04:50 PM
ghuff
Do any of you MegaSquirt users know of settings i... Jul 8 2009, 04:52 PM
RJMII
Do any of you MegaSquirt users know of settings ... Jul 8 2009, 09:57 PM underthetire
[quote name='ghuff' post='1189748' date='Jul 8 20... Jul 8 2009, 10:07 PM underthetire I know there is a time function when you turn the ... Jul 8 2009, 05:01 PM RJMII YES! That is the setting that I screwed with a... Jul 8 2009, 09:55 PM underthetire I think it was on the initial set up. I don't ... Jul 8 2009, 11:19 PM ghuff Yeah I understand and honestly the megatune interf... Jul 9 2009, 12:12 AM RonW i agree that megatune is "kludgy". have... Jul 9 2009, 12:53 AM RJMII
i agree that megatune is "kludgy". hav... Jul 9 2009, 09:12 AM mightyohm So the fuel pump NEVER turns on?
If so, then it... Jul 9 2009, 03:07 AM aircooledtechguy Bad Relay?? Mine that came with my relay board ar... Jul 9 2009, 09:37 AM RJMII all external Relays are fine. I can ground the rel... Jul 9 2009, 10:52 AM RJMII
Do yourself a favor and bypass the MS circuit ent... Jul 9 2009, 12:17 PM mightyohm It definitely sounds to me like the MS is not swit... Jul 9 2009, 01:17 PM RJMII No relay board, the MS fuel pump wire is wired to ... Jul 9 2009, 01:43 PM mightyohm Yeah, but I need to know what Megasquirt version y... Jul 9 2009, 01:51 PM RJMII version 3 Jul 9 2009, 02:33 PM mightyohm The fuel pump driver transistor is Q2, it should b... Jul 9 2009, 02:56 PM RJMII Thank you for the diagram.
other than the fuel p... Jul 9 2009, 03:05 PM RJMII I found this. In case anyone else is looking and c... Jul 9 2009, 03:15 PM RJMII http://www.kilowattclassroom.com/Archive/AN0007.pd... Jul 9 2009, 03:21 PM |
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