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Old 07-28-2007, 06:12 AM   #1
JohnEB
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Member#: 155200
Join Date: Jul 2007
Location: Colorado
Vehicle:
2006 GT35R Evo IX
White

Question ECU Adding Timing at random?

Fella's

I am trying to help a good friend out with a problem with what appears to be the ecu or possibly not. Car is a 05 STI on the stock turbo.

Recently we added a perrin fmic,perrin boost tube (which relocated the mas) ,hks evc 6, innovate xd-16 wideband, aps 3.5" tbe w/ test pipe.

Prior to the boost tube with and evc 6 we had road tuned the car with just a tatrix cable and ecu flash and the car was running perfect and very strong with no knock and afr's in the 11.2 range at wot. After we added the boost tube, evc 6, and a innovate xd-16 wideband the car while trying to road tune would run great and at random add upwards of 48* of timing which was making knock audible. No matter how much timing was pulled the ecu would do this over and over then at random stop and run fine. The car while doing this idles fine and hits the target boost. If you have any idea's on what might be causing this your input would be greatly apreciated so we can get this car back on the road.
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Old 07-28-2007, 04:50 PM   #2
JohnEB
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Bump... Noone has anything?
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Old 07-28-2007, 06:36 PM   #3
Master2192
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Do you have any logs you could show us? I'd like to see a log with RPM, IAM, TPS, MAF Flow and Voltage, Timing and KC, and Manifold pressure.
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Old 07-29-2007, 09:17 AM   #4
jaxscuby
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please elaborate at random?..on/off gas..light load..heavy load..
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Old 07-29-2007, 04:50 PM   #5
JohnEB
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Pretty much whenever... on or off throttle and under light and heavy load.
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