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i just bought a 94 non turbo. nice truck, but it did not run when i got it. i checked a few heres and theres, read some posts, and have come to the conclusion that is was the glow plugs. so i was lucky i got a manual in this truck because i was able to jump start it, after just a minute or three and 3 blocks away, the truck started and sounded like a champ. after driving it around and getting a feel for it, it was misfiring somewhere. i popped the hood and noticed that it was white smoking from the small cover that is right infront of the engine. the one in front of the injection pump. there was also fuel leaking from a few of the injectors and some fittings. so i at first thought it was the fuel that had leaked. once i tightened the fittings, the engine still smoked from the little cover in front of the injection pump. Can anyone help me figure this out? the truck is a CC, 4x4, f-350 w/227k miles. so far i have ordered the glow plugs, checked all fluids, and found a radiators worth of rust in the cooling system. will post pics if that helps. Thanks.
 

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Junior Member
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93 Posts
The oval shaped cover on the front side of the IP drive gear housing should be sealed with RTV Silicon sealer. The crankcase is vented through the crankcase depression regulator (CDR) located on the back side of the intake manifold on both the 6.9 and 7.3 IDI engines. It is held in place by two bolts to the manifold. the lower end of the CDR pokes through a rubber seal in the top of the valley pan. With this set-up the fumes/smoke from the lower galley is vented back into the intake manifold and burned in the combustion chambers then out as exhaust.
 
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