90556701 v7 sd 7 ecu
#1
Newbie
Thread Starter
Join Date: Nov 2010
Location: PORTSMOUTH
Posts: 36
Likes: 0
Received 0 Likes
on
0 Posts
90556701 v7 sd 7 ecu
Recently flashed this rom to get rid of my MAF. AFR is good on full throttle. Runs lean on idle and part throttle. Turned closed loop on. AFR stabilized. On part or full throttle around 2.5k rpm goes lean and back to normal for a sec. Is that the jitters people on about?. New to SD so might need help setting it up. what do I need to change coming from a MAF 9055 V7 rom
#2
Evolved Member
iTrader: (10)
try assynch v tps delta its opposite of this thread, im running that rom at the min no jitters
https://www.evolutionm.net/forums/ec...-question.html
https://www.evolutionm.net/forums/ec...-question.html
Last edited by todd6027; Dec 29, 2014 at 02:07 PM.
#7
Newbie
Thread Starter
Join Date: Nov 2010
Location: PORTSMOUTH
Posts: 36
Likes: 0
Received 0 Likes
on
0 Posts
This is a weird one. So I had to change my 7 ecu. Someone sold me an 8 ecu instead. So I changed the 2 pins around to get the car running. The code p0135 heater circuit keeps coming up. I'm using rom 90552701-v7. same one I was using on my 7 ECU. I turned the rear o2 off. I look for everything I can through the rom. nothing helped. so I checked sensor resistance. Reading 14ohms. Ecu was grounding the heater circuit the heater but fault still there. I changed the sensor. The code still come up. Flashed it with rom 96532706-TephraMod. it does not come up anymore. Running fine. I don't get it.
Trending Topics
#8
Evolved Member
iTrader: (10)
This is a weird one. So I had to change my 7 ecu. Someone sold me an 8 ecu instead. So I changed the 2 pins around to get the car running. The code p0135 heater circuit keeps coming up. I'm using rom 90552701-v7. same one I was using on my 7 ECU. I turned the rear o2 off. I look for everything I can through the rom. nothing helped. so I checked sensor resistance. Reading 14ohms. Ecu was grounding the heater circuit the heater but fault still there. I changed the sensor. The code still come up. Flashed it with rom 96532706-TephraMod. it does not come up anymore. Running fine. I don't get it.
#9
Newbie
Thread Starter
Join Date: Nov 2010
Location: PORTSMOUTH
Posts: 36
Likes: 0
Received 0 Likes
on
0 Posts
If I do that, I get random afr reading on close loop. Plus the drive is horrible. Do you guys know any good E8 Roms. Am using one now. It picks up random knock reducing my timing sometimes and would give me MDP code randomly
#11
Evolved Member
Hi could anyone here advise why theres is no IAT Scaling table for this Rom?
Lastly, does this 90556701 Rom got Live tuning features?
Thanks
Lastly, does this 90556701 Rom got Live tuning features?
Thanks
Last edited by jameswwt; Feb 21, 2016 at 09:43 AM.
#13
Evolved Member