Hola amigo me puedes ayudar? Tengo el mismo motor y cuando navego a relenti el motor hace como si se quedara en tres cilindros. El motor cuando navega en alta no tiene ese problema gracias
If you unplug make sure to plug them back before removing the next ones otherwise engine won’t have enough fuel to keep going But more than likely bad injector yes
All that shows you is that cylinder is not firing... Thag is not how you diag a fuel injector, not even close. You could literally just take the spark plug wire off cylinder 2 and roll the camera and it would have the same results we see now. Even if it was a fuel issue, whos to say it is the injector and not the wiring.
Uh oh… go ahead and take them off and see if you can get the injectors to shoot fuel under an electrical load. Your ECU might be bad because it sends signals to the injectors when to fire. ECUs go bad on Yamahas from time to time.
Thanks 4 infor.. can u guide me through the supply to the injectors. The top wire have 12 volt supply the bottom no supply when starting the engine. I think the negative coming from the ecu is not coming to complete the firing order
@fishingwithaustin8258 I'm having a weird issue out of my Yamaha 150 that it was coughing from 2600 to 3000 rpm when I was trolling. Slowed down to 2k and was fine. Sped up to 5800 when we were running in and it never missed a beat. Gonna clean the VST tank and change those filters.
