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10-31-2005, 01:19 AM | #1 |
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Member#: 82612
Join Date: Mar 2005
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MWSOC
Vehicle:2015 WRX STI Ice Silver Metallic |
Stalling at deceleration w/ standalone HELP
First, here's my setup:
VF39 turbo Link44s WRX standalone stock modded injectors 3in tbe stock intake, IC, etc Ok, everytime I decelerate the rpms will drop down to around 250 then kick back up. The faster I decelerate the more the car will want to die. It has never died, but once. I cannot seem to figure this out. I was wondering if it had something to do with my Clamp setting, which is set to 49kpa. If anyone wants my map I can send it to them to look at it. Everything else though is great! Thanks - Kyle.
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10-31-2005, 02:00 AM | #2 |
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RMIC
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Vehicle:1999 2.35 RS-T w/NOS Hybrid Rally Blue Pearl |
Did you properly set the clamp setting? Basically you floor it and snap the throttle closed and look for the lowest map value that car hits, add a couple to that and that should be your clamp value.
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10-31-2005, 09:53 AM | #3 |
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Thats for overrun vacuum.
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10-31-2005, 11:42 PM | #4 |
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Someone has got to have some ideas here, HELP PEOPLE!
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10-31-2005, 11:47 PM | #5 |
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did you check for vacuum/boost leaks first? i have a utec in my car so i don't really know about your system, but from the sounds of it, it sounds like a leak. I had those exact symtoms and thats what it turned out to be. just a thought
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11-01-2005, 08:47 AM | #6 |
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Did not think vacuum leaks affected a MAP-based system. UTEC is MAF. But thanks for the reply.
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11-01-2005, 11:06 AM | #7 |
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NWIC
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Vehicle:The 93 W/EJ20K-sold Subaru-less :( |
no real ideas ...
is there a decel setting in the link do you have the newer firmware? |
11-01-2005, 11:50 AM | #8 |
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Chapter/Region:
NESIC
Location: Central MA
Vehicle:2002 PSM WRX (Sold) 2017 BMW X5 |
On my car (not using a Link) I've found that it coughs like that when the fueling isn't right on. Too rich or too lean and it can have a hard time keeping up a low RPM.
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11-01-2005, 12:31 PM | #9 |
Moderator Member#: 922
Join Date: Feb 2000
Chapter/Region:
MWSOC
Location: Schaumburg, IL
Vehicle:16 WRX (white) 04 FXT (red) |
Sounds like your IAC isn't opening enough to catch the RPM drop fast enough.
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11-01-2005, 01:40 PM | #10 |
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I highly doubt it's the IAC..it's a problem of the standalone trust me because it's done this ever since I installed it. Also, it only does this once the car is warmed up fully. When cold-started the RPM's don't dip at all.
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11-01-2005, 02:11 PM | #11 |
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South East
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Vehicle:2002 WRX chassis... stage-infinity.com |
I know absolutely nothing about the Link.
However, with the Hydra Nemesis, there are several things that cause this: - Poor fuel tuning at low RPM sites under vacuum - "Max Vacuum" setting under the idle speed control settings. One sets this to 50-80mmHg more (larger vac number) than the typical vacuum while idling - "Moving Steps Up" setting under the idle speed control settings. This is a percentage to increase idle speed while the car is still in motion. Find something similar in your standalone. |
11-02-2005, 12:15 PM | #12 |
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I found the problem! Turned out that my Hot Idle Duty Cycle was too low. Had it set to 32% and bumped it up to 36% and no more rpm dips in decel anymore! Thanks for the replies guys. - Kyle
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11-02-2005, 01:06 PM | #13 | |
Moderator Member#: 922
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MWSOC
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