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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

f250 6.9 diesel engine problems

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Old Dec 22, 2008 | 03:45 PM
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deann
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Question f250 6.9 diesel engine problems

i have a diesel 6.9 engine it wont crank on the first startup without being pulled off but after it warms up it will crank . i have changed out the glow plugs, sylnoid and switch. i have a fuel leak on the line to the injector i have to fix could that be my problem
 
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Old Dec 22, 2008 | 08:52 PM
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Yes, the fuel leak could be the problem. It lets air into the fuel system, so the whole fuel system drains back to the tank and ends up being dry. You need to buy new lines and o-rings for the injector fuel return system. A o-ring on top of the injector is probably were the fuel is coming from.
 
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