GM IAT sensor wired to MAF harness
#1
Evolved Member
Thread Starter
GM IAT sensor wired to MAF harness
pulling out my hair on this one
94171715 phenom rom
instead of hooking into the fuel temp input, I hooked into the maf harness and set my IAT to MAT to 03.
So its just like installing the spoolin harness for MAT.
SD MAT scaling was all f^#! up until I changed "tempscalefuel" to "tempscale" then the correct values appeared in the table.
Loaded up the rom and took a look at mut 3a and mut 11..... 3a is reasonable @ 30 degrees, but mut 11 is pegged at 260 degrees.
I have looked everywhere in these forums and cant find any answers.
94171715 phenom rom
instead of hooking into the fuel temp input, I hooked into the maf harness and set my IAT to MAT to 03.
So its just like installing the spoolin harness for MAT.
SD MAT scaling was all f^#! up until I changed "tempscalefuel" to "tempscale" then the correct values appeared in the table.
Loaded up the rom and took a look at mut 3a and mut 11..... 3a is reasonable @ 30 degrees, but mut 11 is pegged at 260 degrees.
I have looked everywhere in these forums and cant find any answers.
#2
Evolving Member
pulling out my hair on this one
94171715 phenom rom
instead of hooking into the fuel temp input, I hooked into the maf harness and set my IAT to MAT to 03.
So its just like installing the spoolin harness for MAT.
SD MAT scaling was all f^#! up until I changed "tempscalefuel" to "tempscale" then the correct values appeared in the table.
Loaded up the rom and took a look at mut 3a and mut 11..... 3a is reasonable @ 30 degrees, but mut 11 is pegged at 260 degrees.
I have looked everywhere in these forums and cant find any answers.
94171715 phenom rom
instead of hooking into the fuel temp input, I hooked into the maf harness and set my IAT to MAT to 03.
So its just like installing the spoolin harness for MAT.
SD MAT scaling was all f^#! up until I changed "tempscalefuel" to "tempscale" then the correct values appeared in the table.
Loaded up the rom and took a look at mut 3a and mut 11..... 3a is reasonable @ 30 degrees, but mut 11 is pegged at 260 degrees.
I have looked everywhere in these forums and cant find any answers.
I'm just trying to get proper table values in there with tempscalefuel selected using the 0E option for converting iat to mat and can't seem to. My 3a log is about 9 degrees off ambient and logging mat at 09 reference gets me pegged around 200 plus.
Did you ever sort this out?
#3
Evolved Member
Thread Starter
I think I got it figured out but have since switched roms to 8653, SD Rom. I had more issues with EBC and consistent AFR's on this rom so I just switched over to 8653. Can't remember what I did, there are so many issues with 9417 rom POS in my opinion. Switch over too 8653 more options.
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