Max Harder
Registered User
I recently bought my first diesel truck, a 83 f250 6.9 idi with a 4 speed. It ran great for a month then it started sputtering and surging mostly once the engine got up to temp. I could see diesel leaking from around the injector caps so I went ahead and replaced the o rings, caps, and return lines as well as the fuel filter and fuel/water separator. It seemed to run better after that for a few hours of operating time and then it started again except it seems to be getting worse. It randomly sputters or surges or is completely gutless and in between seems to run fine. On hot starts it dies after a couple seconds but then will start again after 10ish seconds of cranking the motor. The front drivers side of the motor seems to be soaked in diesel and there’s a puddle in the valley behind the injection pump. I have no clue where that fuel is coming from or how that is affecting how the motor is running or why it started leaking. Any help would be very appreciated, thanks