Car just got tuned and STUCK at shop throwing mystery CEL!
Posted 06 April 2021 - 07:55 PM
Just had my car finished tuning flex fuel and finished last part of my FBO e85 build ...but it started throwing a cel as they finished tuning for E85 😭
The shop quite respectfully is doing their best to get the cel to turn off before they return it to me but they arent able to figure it out just yet !
Cel its throwing is P1551 - low battery current value or something !?!?
HELP GTR PEOPLE!!! Someone out there has to know whats up!
Anyway to fix this battery current sensor !?!?
Posted 06 April 2021 - 08:33 PM
Keep em coming guys ! Who else has seen this or knows whats up here ??
Posted 06 April 2021 - 09:04 PM
I had the shop install Cobb flex fuel kit with can gateway..
Also install Cobb fuel pressure monitoring kit
Also 1300cc cobbx2 injectors
Also Visconti stage 1 fuel upgrade
And army trix downpipes
Then we tuned for 91 followed by tune for e85 ....
Posted 07 April 2021 - 09:10 PM
Strangely I just had to troubleshoot this same code on my 2013.
After an Engine R&R I switched the ignition to 'on' and had the P1551 code. Root cause was me leaving the current sensor unplugged. It is inline on the negative battery cable, between the battery and fender.
Note the location of My Visconti rewire relays.
Edited by JohnnyTSi, 07 April 2021 - 09:12 PM.
Beautiful Blue FBO 2013 R35 GTR
655/638tq Daily Driven street thrasher!
Cobb 3" Intakes
Rampage/SBD Race Intercooler with TiAL BOVs
Cobb Down Pipes
Cobb mid pipe modded with a Borla resonator
MAP Muffled 3.5" cat back
Visconti Flex Fuel kit
Omni 4bar Map sensor kit
Cobb Fuel Pressure sensor kit
Torque Solution Maf Block-off Plates
Ported Intake Manifold
Dual asnu 330 w/Hardwire Kit (Visconti basket ready to go)
Built it Myself!
Posted 08 April 2021 - 06:50 AM
Found the issue..
It was something in the parameters for one of the Cobb pieces wiring ... it was drawing current and ecm was wigging out and needed some tweaking in the tune ..
Back up and got my car back
Full fbo e85 now fantastic !
Edited by Gdzilla_, 08 April 2021 - 07:46 PM.
Posted 08 April 2021 - 09:12 AM
Old setups : more AMS motors than anyone I know - Alpha 9 w/ AMS 3.8, GTX3582R Gen II w/ AMS 4.1 billet crank, GTX3582R Gen II w/ AMS 4.0 big bore billet crank and of course FBO E85.
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