truck won't start new batteries

Asked by LostMeme757 Jul 25, 2018 at 10:14 AM about the 2005 Ford F-350 Super Duty Lariat SuperCab LB DRW

Question type: Maintenance & Repair

Ford F350 super duty dually diesel wont start with
new batteries - it turns over but wont start no
matter how long I hold the ignition.

1 Answer

42,710

Diesel engine don't need a spark so it must be a fuel delivery problem. While cranking there should be a white fog of unburned diesel fuel coming out the exhaust pipe if you have fuel to the engine. In that case check for glow plugs coming on to preheat engine. If No fog, then check filters first, then transfer pump, then injector pump. Are there any codes showing? Diesels should start fast in warm weather. One more thing. Look see if the fuel solenoid turns on the fuel valve with the key on. You can sometimes hear a clunk under the hood when it's activated. If it stays shut we used to tie them open with a sting to make it run long enough to get home.

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