I have at 2017 GT and recently got it tuned with bigger injectors to run E85 it was having problems starting and would spudder and after a drive when I start the car it would shut off but start back up with no problem my tuner recommended that I replace the fuel pump so I replaced it and the...
Check engine light is on so if I’m getting missed by on start up at four of the cylinders currently just got it turn on E85 the check engine light is not flashing any suggestions?
Codes are showing that I’m getting misfire on start up I don’t know if this is coming from running E85 The check engine light is on, but it is not flashing, so I’m not sure if it’s on startup or if it’s while driving also