 914 megasquirt info- Scott's 1.7 |
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| Scott-thundercat |
 May 14 2007, 11:31 AM
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#1
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Member  Group: Members Posts: 159 Joined: 16-October 06 From: Reno, NV Member No.: 7,049  |
hey, just bought a megasquirt complete kit from DIYautotune. saw a few good threads about em with 914's on here. any other suggestions? i have a stock 1.7 liter. reason i bought it is that my fuel trigger points went out, so 195 vs 145 it wasnt a tough decision since i've been wanting to build one for a few years now.
anyhow any help or tuning tables would be appreciated! i saw the 2 liter tuning tables. anything for a 1.7? |
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| Scott-thundercat |
Jul 19 2007, 10:49 PM
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#2
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Member Group: Members Posts: 159 Joined: 16-October 06 From: Reno, NV Member No.: 7,049 |
okay now here's a real puzzler... I have been trying to get this thing to run trying every bit of advice i've heard. I've asked on the megasquirt forums, and here. It still wont run for more than 5-10 seconds at best. I've checked my grounds and rechecked em, checked the wiring- everything looks good- yet it doesnt run. i even wired 7 oh, 25 watt resistors inline with the injectors so i could get rid of pulse width modulation- all with no changes at all.
so now comes the really wierd part. so i decide to see if maybe the problem is with my injectors (i swapped back to the original injectors that i have never had the car run on (i thought one was stuck open when i first got my car- turns out it was the cold start injector stuck on) as part of my trouble shooting- no change) so i hook up the stock computer (which has a bad injector trigger- so only 2 injectors were firing), try to start it- no dice just cranks. so i figure maybe it's flooded- so i unplug the fuel pump and try starting it- it coughs and then fires and runs. so i go around and plug the pump back in- the instant i do the car dies... wierd... so i unplug it and fire it up just to see how long it will run on no fuel pump.... it ran for 20 minutes and then died (possibly because the CHT sensor may have come unattached). so i figure now that it's warm i should try megasquirt and try it without the fuel pump. nothing. nada. i plug the pump in- get it to start- but it dies just the same as it did when it was cold. what in the hell? I am so frustrated with this thing i just dont know what could be wrong. any advice? |
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Posts in this topic
Scott-thundercat 914 megasquirt info- Scott's 1.7 May 14 2007, 11:31 AM
yarin Check my sig for pics of my install. I posted a lo... May 14 2007, 11:55 AM toon1 which version did you buy? MS-I, 2 , V-2.2,3.0? ... May 14 2007, 12:12 PM Scott-thundercat thanks for the quick response guys. version 3 PCB... May 14 2007, 03:49 PM toon1 MS-I V.3 three is a good buy. It has alot of optio... May 14 2007, 05:18 PM rfuerst911sc If anyone needs the LC1 O2 sensor itself I have tw... May 14 2007, 05:43 PM brer I'm working on a MSI v3.0 right now as well.
... May 15 2007, 03:01 PM bd1308 brer,
the MS will actually calculate FI fuel amou... May 15 2007, 03:05 PM toon1 the MAP sesnor is the most important item in the M... May 15 2007, 04:01 PM hex123 :agree:
The tps is very easy I grabbed one from ... May 15 2007, 06:27 PM Scott-thundercat thanks for all the input guys! so far i am on... May 21 2007, 02:15 AM Scott-thundercat nevermind forgot i put pertonix in it! so a ha... May 21 2007, 02:18 AM Scott-thundercat hmmmm. so i have a hall sensor- but i am going to ... May 21 2007, 02:34 AM mrhurtalot whats the cost for a system fora 2.0? id love thi... May 21 2007, 02:49 AM
Mueller
whats the cost for a system fora 2.0? id love th... May 21 2007, 03:32 AM DNHunt Mike, I think for $247 you get to solder. Not... May 21 2007, 08:48 AM toon1
thanks for all the input guys! so far i am o... May 21 2007, 09:46 AM yarin
[quote name='Scott-thundercat' post='903058'... May 21 2007, 09:03 PM Rick_Eberle :agree: I'm with the other guys, build it wit... May 22 2007, 01:31 AM brer Hey, I've created a public folder for megasqui... May 22 2007, 11:05 AM toon1
Hey, I've created a public folder for megasqu... May 22 2007, 11:10 AM brer PM me with email address to be sent an invitation ... May 22 2007, 11:15 AM Scott-thundercat took the advice and built in everything. i ended ... May 22 2007, 04:09 PM Scott-thundercat hey got it all in and wired- now to see if i can f... May 25 2007, 10:29 PM Scott-thundercat okay- so went to try and start it- the fuel pump r... May 26 2007, 01:06 AM toon1 not sure about the pump relay, could be a transist... May 26 2007, 01:24 AM Scott-thundercat okay found out i wired the fuel pump relay wrong- ... May 26 2007, 09:02 PM toon1 Hey Scott,
ARE YOU RUNNING RESISTORS OR PWM%?... May 26 2007, 09:34 PM Scott-thundercat pwm% i'm running
no easy therm- dont know wha... May 26 2007, 09:47 PM toon1 OK, use these settings for WE
-40*F: 100
... May 26 2007, 10:03 PM Scott-thundercat http://img.photobucket.com/albums/v447/Scott-thund... May 26 2007, 10:34 PM toon1 Ho are you setting your VE table?
Are you using... May 26 2007, 11:26 PM Scott-thundercat yeah i used megatune to do it. does it not look r... May 26 2007, 11:37 PM toon1 your KPA settings are upside down.
are you goin... May 26 2007, 11:50 PM Scott-thundercat okay i copied the table manually in the correct or... May 27 2007, 12:10 AM toon1 Strange that it formed like that, maybe mine is wr... May 27 2007, 12:38 AM Scott-thundercat okay started up but died nearly at the same time a... May 27 2007, 02:40 PM toon1
okay started up but died nearly at the same time ... May 28 2007, 01:28 AM Scott-thundercat they were 340 cc VW injectors. now have the stoc... May 29 2007, 12:25 AM toon1 how long does it run before it dies? May 29 2007, 09:20 AM Scott-thundercat got it to run for 20 seconds at one point. usuall... Jun 17 2007, 08:01 PM Scott-thundercat So i got it running! turns out that i had use... Aug 21 2007, 05:14 PM |
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