i have 2 car
1. BRZ 2013 ( All Stock Part , No Upgrade )
2. FT 86 2012 ( All Stock Part , No Upgrade )
At November 2021 , my BRZ have Problem P1261
P1261 code possible causes
- Faulty Fuel Injector 1
- Fuel Injector 1 harness is open or shorted
- Fuel Injector 1 circuit poor electrical connection
- Faulty Fuel Injector Interface Module
I try to switch injector between 1 and 3
but still got P1261
Resume is , Not Broken Injector
Desember 2021 :
I try to switch ECU from FT86 , Error Still P1261
Resume is , Not ECU FAILED
I Buy 1 set Engine Full Harness
still got P1261
Resume is : Not Cable Problem
I Buy Electronic Control Module ( one inside pessenger seat )
still got P1261
Also I try to Install BRZ ECM to FT86 , FT86 Normal
Resume is , Not ECM FAILED
At January 2022:
I take Of the machine from car , and see any problem , but can't get problem , all normal
Put in the machine back
ERROR go to P1264
I take off 4 injector , part Number of injector is
SU003-04462 same as installed in both my car
I buy 1pc from toyota dealer and put in on Di Injector 4
The Error Change to P1261
I Buy 1pc Again From Toyota Put it in Port 1
The Error Goes to P1262
I Buy 1pc MORE From Toyota Put in on Port 2
The Error Go BAck to P1264
February 2022 :
I try to switch 1 set ( 4pcs ) injector from FT 86 to BRZ
The BRZ Normal
FT 86 Problem P1264 , I try combination of ALL Injector that i have
( 3pcs new injector + 4pcs used injector )
the problem exist...........
I dont know anymore , what i have to do .....
Anyone can help my problem please.........