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Thank You nitrous, I remember reading this in the help section but some reason I totally forgot about that method. Sometimes ppl just need a refresh. Once again thanks.

You have one I can use to start off with? Until I didnt change that 100 to 125 and put a IAT sensor in the car would go flat lean and choke as soon as I would step on the throttle. E85 loves to sip....

Put the iat in and its muchhhhhh better, but the lean hiccups are kinda still there, especially when I try to go in boost like right around 1 psi it just pops HARD like backfire. Spark blowout? or...

Ok, Which Ls1 came with external IAT?

I have no Iat sensor. Is there a way to eliminate it?

Where would I find my .cfg file?

I have a aem wideband but I dont have it connected to mpvi controller? I can make a video if you want.

Hey guys, I had another thread on here about the car not getting spark and fuel well that been taking care. the car is a 240sx with a :

LS1 shortblock
317 heads
120 lbs injectors
aem injector...

Is that causing no spark? if so plz tell me which power and ground pin I should follow. 2004 GTO PCM. Really appriciate the help guys.

Did that already, no spark. :(

Fixed the grounds to motor still no start. My scanner was working fine and now it keeps saying unable to locate vcm and the mpvi controller blinks busy. :banghead::banghead::banghead:

Question. I know you have to have some grounds on the motor but do all the grounds from the harness have to be on the heads or can some go to chassis? I think that might be and if it is boy do i...

I have fuel pressure 58 psi. I would have to crank it again while scanning to check crank pulse.

It doesn't pop or spit nor do you smell at any type of fuel. Im going to be bringing a friend over...

and for some reason scanner wont connect.

Changed, but no start.

Hi guys, Trying to get this ls1 started, In the scanner under as far as codes go it gets crankshaft re-learn, now Ive seached and searched and found that its in bi-di controls but hw do you get to...