Notices
ECU Flash

Looking for some Tephra SD help

Old Oct 17, 2024 | 09:19 AM
  #1  
rturner20's Avatar
Thread Starter
Newbie
 
Joined: Oct 2024
Posts: 4
Likes: 1
From: Eastern Washington
Question Looking for some Tephra SD help

Hello everyone, I have a unique issue im hoping someone can help me with. I come here from the dsmtuners forum. Below are the specs of my car and the issue im having. I would appreciate any help you guys can give me.

99 GST Spyder
AWD converted
6 bolt engine
7 bolt AWD trans with the Evo 3 gearset.
Precision 1000cc injectors
1g CAS
3 bar map sensor
gm IAT
Coil on Plug
stock o2 sensor with an LC-1 too
Evo 8 Ecu running tephra v7 SD
HX35

The issue im having is getting tephra to work correctly. I have a feeling my map sensor is the issue but since im running an evo8 ecu the dsmtuners guys dont really know how to help me.

The issue im having is I "think" the something is up with the map sensor scaling. The car tries to start but runs at 8afr. No matter what change I make to injector size or battery compensation it just runs really rich. Being how im running tephra SD Im not 100% sure that the ecu is actually using the correct values for the map sensor, when I open ecuflash and right click on the maps that need changed they revert back to the 3.5 or 4 bar map sensor instead of the Gm 3 bar like I set. I re scaled the map sensor in evo scan, the value starts at 14.5 and you are suppose to adjust that value until it reads 0 with the key on and car off. I have seen threads where people needed to change it to 14 or 14.2, but I had to change mine to 41.75 to get it to read 0. Im also getting 2 codes (p0183 no camshaft signal) and (p0335 no crankshaft reference signal). When I try to start the car I do get RPM so im curious why im getting those codes. I used a conversion harness for a 6 bolt cas to 2gb harness so it had the crank signal wire and cas wiring. I attached my rom and some pictures of evoscan and even a picture of the ecm link injector settings from when this motor was in a galant vr4 running ecmlink. I have really good grounds to the chassis and engine, The battery is in the trunk so I have 0 gauge wiring for power and ground going to the front of the car and all the power and grounds connect there.







Attached Files
File Type: bin
eclipse 10824.1.bin (256.0 KB, 0 views)
File Type: xml
TephraMOD-94170715-v7.xml (75.8 KB, 0 views)
File Type: xml
TephraMOD-94171715-v7.xml (4.9 KB, 0 views)
Reply
Old Oct 23, 2024 | 08:02 AM
  #2  
rturner20's Avatar
Thread Starter
Newbie
 
Joined: Oct 2024
Posts: 4
Likes: 1
From: Eastern Washington
I figured out part of the issue. My 535 is over running my fuel lab fuel pressure regulator. I can only get the pressure down to about 45. If I set the injector size to 2500 I can get the motor to actually lean out. still wont run though. Its a start I guess
Reply
Old Dec 2, 2024 | 12:23 PM
  #3  
rturner20's Avatar
Thread Starter
Newbie
 
Joined: Oct 2024
Posts: 4
Likes: 1
From: Eastern Washington
Update: Im switching to a MS3X ecu. I couldn't get Tephra to work right with my sensors.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
CurseDSM
Evo General
15
Aug 29, 2020 06:20 PM
X.0 EDITION
ECU Flash
2
Sep 23, 2014 11:48 AM
06Black
Evo Engine / Turbo / Drivetrain
6
Mar 8, 2011 08:48 PM
gazza19800
ECU Flash
2
Aug 19, 2010 08:46 AM
gazza19800
ECU Flash
8
Aug 14, 2010 12:53 AM


Thread Tools
Search this Thread

All times are GMT -7. The time now is 02:24 PM.