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11,906 Posts
Well after FINALLY getting the fuel pressure issue fixed... then the TPS issue taken care of the DAMN PIECE OF MONKEY **** SVT decided that it wanted to go back to having the ****ING High fuel rail pressure again.....
I only made one tiny adjustment to the tune... just to set the MAF count levels back to where Tom had them... and I took it for a test drive and noticed that it didn't fatten up the AFR at WOT... it stayed around 14.7-15.1 at 19psi and WOT... I immediatly shut it down and babied it back to my garage.
I noticed the TPS voltage never got above 4.1v with the throttle completly depressed (before FMEM.. what ever that means)
So I go into the tune and set the TPS for WOT from 645 down to 600.... not a very big change but a change none the less. I take it back out for a run and the AFR looks good.... actually it went WAY rich around 11:1. When I got back I was looking through the datalog with the car running (using the Diablo to log since the Xcal2 sucks unless its hooked up to a PC/laptop)
Thats when I notice the fuel pressure drop across the injectors is 39.xx which is stock.... I have mine set up for 44psi drop. then I think " OH ****" and look up at the manual FRP gauge I have.... and there it is.. 82psi at idle....
I'm really starting to hate the mother ****er.....
EDIT: I am using the SCT tune that fixed everything earlier and its still doing this ****......
I only made one tiny adjustment to the tune... just to set the MAF count levels back to where Tom had them... and I took it for a test drive and noticed that it didn't fatten up the AFR at WOT... it stayed around 14.7-15.1 at 19psi and WOT... I immediatly shut it down and babied it back to my garage.
I noticed the TPS voltage never got above 4.1v with the throttle completly depressed (before FMEM.. what ever that means)
So I go into the tune and set the TPS for WOT from 645 down to 600.... not a very big change but a change none the less. I take it back out for a run and the AFR looks good.... actually it went WAY rich around 11:1. When I got back I was looking through the datalog with the car running (using the Diablo to log since the Xcal2 sucks unless its hooked up to a PC/laptop)
Thats when I notice the fuel pressure drop across the injectors is 39.xx which is stock.... I have mine set up for 44psi drop. then I think " OH ****" and look up at the manual FRP gauge I have.... and there it is.. 82psi at idle....
I'm really starting to hate the mother ****er.....
EDIT: I am using the SCT tune that fixed everything earlier and its still doing this ****......