Re: Issues with first start
[Re: Jeremy Gilbert]
#404714
June 05, 2013 10:52 am UTC
June 05, 2013 10:52 am UTC
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Joined: May 2010
Posts: 1,950 Guelph, Ontario
Jeremy Gilbert
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OP
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Posts: 1,950
Guelph, Ontario
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It really sounds like an engine that's out of time when it's running. I've adjusted the CAS fully to either side while the car was running and it didn't change whatsoever, but it seemed like the more advanced I put it, the better it ran.
The problem is that I can't really set the timing properly until it will idle, or can at least hold a constant RPM for a bit.
When I mentioned the idea of backwards plug wires to my dad, he just started laughing. He did the same thing on his Norton once, and had the exact same symptoms that I'm having. His Norton ran on a waste spark system.
I'm going in for surgery in a few hours, and I know this will be bugging me until I can get back to Guelph and try it!
1995 TSi AWD 11.7@119 1.8 60' - Curse of the Bad Driver PHP: 0
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Re: Issues with first start
[Re: Jeremy Gilbert]
#405048
June 09, 2013 02:49 am UTC
June 09, 2013 02:49 am UTC
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Joined: May 2010
Posts: 1,950 Guelph, Ontario
Jeremy Gilbert
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OP
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Joined: May 2010
Posts: 1,950
Guelph, Ontario
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Quick update: switching the plug wires did nothing. The car farted a couple times but didn't run. I did find that the wires weren't seating all the way down on the plug though. With that fixed, the car was able to rev to 6000RPM+ without misfiring. It still won't idle.
I did manage to get a log of it though, and it's showing my injector duty ranging from 40-65% as my RPM ranges from 1000-3000. The measurement which I believe is the MAP sensor is pegged up high.
So, new theory: I think my ECU is seeing a steady 5V from the MAP sensor and is trying to compensate by dumping way too much fuel. Comments, ideas?
Edit: I also pulled off the timing cover to double check that everything is lines up properly under there, which it is.
Last edited by Jeremy Gilbert; June 09, 2013 02:51 am UTC.
1995 TSi AWD 11.7@119 1.8 60' - Curse of the Bad Driver PHP: 0
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Re: Issues with first start
[Re: Jeremy Gilbert]
#405089
June 09, 2013 10:17 pm UTC
June 09, 2013 10:17 pm UTC
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Joined: May 2010
Posts: 1,950 Guelph, Ontario
Jeremy Gilbert
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OP
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Joined: May 2010
Posts: 1,950
Guelph, Ontario
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Alright, so my MAP sensor's ground was kafuct. I pulled the electrical tape back about a foot to find some shotty wiring, and even after that point I still didn't have a ground. So I chopped the wire before the shotty-ness and grounded it to a bolt on the firewall.
Fast forward an hour, and I'm screaming down Victoria at full boost. What a fracking feeling!
A HUGE thanks goes out to Stephen Richardson, who walked me through the electrical diagnosis over the phone this afternoon, as well as bouncing ideas with me the last few weeks. Thanks for the rest of you guys for your ideas, and Salomon, Rob, and Ryan who I also bugged directly for some insight! Boost on!
1995 TSi AWD 11.7@119 1.8 60' - Curse of the Bad Driver PHP: 0
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Re: Issues with first start
[Re: Jeremy Gilbert]
#405114
June 10, 2013 11:22 am UTC
June 10, 2013 11:22 am UTC
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Joined: Oct 2005
Posts: 10,749 Belleville, Ontario
Ryan Laliberte
No-Lift-To-Shift.... Stock. :)
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No-Lift-To-Shift.... Stock. :)
Senior Member, with Far TOO Much Time on Their Hands
Joined: Oct 2005
Posts: 10,749
Belleville, Ontario
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Glad to hear you got it sorted out man! Sometimes, it's the simplest thing.
AWDAuto 1996 TSi AWD Automagic12.24 @ 113 - Small 16G FP Green HTA - 11.42/123 Team Pump Gas and Meth RTMRacing - Your Canadian source for DSM Parts "Every moment you live is pregnant with the next moment of your life" --Jim CarreyLast Login: September 28, 2021
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Re: Issues with first start
[Re: Ryan Laliberte]
#405116
June 10, 2013 12:07 pm UTC
June 10, 2013 12:07 pm UTC
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Joined: May 2010
Posts: 1,950 Guelph, Ontario
Jeremy Gilbert
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Posts: 1,950
Guelph, Ontario
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Glad to hear you got it sorted out man! Sometimes, it's the simplest thing. If your car won't stay running unless you have your foot on the pedal I'd say you have either an injector compensation or airflow calculation wrong. I think you get the beer for this one Goes to show how important it is to know your tuning software, or at the very least how to monitor your car. The problem was fixed within 48 hours of me finally looking at a log. And Salomon, I know better than to fling poo when my car is running right(ish). It's only a matter of time
1995 TSi AWD 11.7@119 1.8 60' - Curse of the Bad Driver PHP: 0
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Re: Issues with first start
[Re: Jeremy Gilbert]
#405203
June 11, 2013 03:18 pm UTC
June 11, 2013 03:18 pm UTC
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Joined: Nov 2009
Posts: 2,940 Toronto, Ontario, Canada
Michael Lee
Insane Member
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Insane Member
Joined: Nov 2009
Posts: 2,940
Toronto, Ontario, Canada
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Haha, no, not really, but she's acting as a grocery getter at the moment.
Slide texting? Oooooooh, Eng is all up in the Android world now, no more stuttery Blackberry Torch
1997 Eclipse GST/X Eat in small amounts. Otherwise be prepared to paint toilet bowls~ Mike Eng
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